Chemistry ATAR Year 11 Syllabus

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Questions and Answers

What is the process of transforming decimal notation to power of ten notation called?

  • Scientific notation (correct)
  • Standard notation
  • Exponential notation
  • Fraction notation

The mean is a measure that represents the middle value in a data set.

False (B)

What is the relationship between fractions and percentages?

Fractions can be expressed as percentages by multiplying by 100.

In a linear graph, the slope indicates the ______ of change between two variables.

<p>rate</p> Signup and view all the answers

Match the mathematical operations with their corresponding symbols:

<p>Addition = + Subtraction = - Multiplication = × Division = ÷</p> Signup and view all the answers

Which of the following methods is NOT typically used to describe and compare data sets?

<p>Ratio (C)</p> Signup and view all the answers

Discrete data can take on any value within a given range.

<p>False (B)</p> Signup and view all the answers

What do you need to ensure when substituting physical quantities into an equation?

<p>Consistent units</p> Signup and view all the answers

What is the primary focus of chemistry as stated in the syllabus?

<p>The study of materials and substances and their transformations (C)</p> Signup and view all the answers

The syllabus is reviewed by the School Curriculum and Standards Authority every ten years.

<p>False (B)</p> Signup and view all the answers

When did the current syllabus take effect?

<p>1 January 2017</p> Signup and view all the answers

The content derived from the Australian Curriculum may be used under the terms of the __________ licence.

<p>Creative Commons Attribution 4.0 International (CC BY)</p> Signup and view all the answers

Match the following units with their descriptions:

<p>Unit 1 = Chemical fundamentals: structure, properties, and reactions Unit 2 = Molecular interactions and reactions</p> Signup and view all the answers

What must users of the syllabus ensure?

<p>They check its currency regularly. (C)</p> Signup and view all the answers

Copyright material can be copied for commercial purposes without permission.

<p>False (B)</p> Signup and view all the answers

What are the two main focuses of the curriculum's rationale?

<p>Materials and substances, and their transformations.</p> Signup and view all the answers

Which property of a covalent molecular substance is NOT influenced by intermolecular forces?

<p>Atomic mass (A)</p> Signup and view all the answers

Lewis structure diagrams can only predict the shapes of ionic compounds.

<p>False (B)</p> Signup and view all the answers

What theory explains the shape of a molecule based on the repulsion of electron pairs?

<p>VSEPR theory</p> Signup and view all the answers

The process used to separate components of a mixture based on their interactions in stationary and mobile phases is called _____.

<p>chromatography</p> Signup and view all the answers

Match each chromatography technique with its correct description:

<p>Thin Layer Chromatography (TLC) = Uses a stationary phase on a flat surface for separation Gas Chromatography (GC) = Separates vaporized samples through a gas phase High-Performance Liquid Chromatography (HPLC) = Uses pressurized liquid for component separation Column Chromatography = Separates mixtures using a column filled with stationary phase</p> Signup and view all the answers

Which intermolecular force is the strongest among the following?

<p>Hydrogen bonding (D)</p> Signup and view all the answers

The Kinetic Theory explains the behavior of gases in relation to temperature and volume only.

<p>False (B)</p> Signup and view all the answers

What is monitored in groundwater to ensure the safety of drinking water?

<p>Heavy metal contamination</p> Signup and view all the answers

Which of the following reflects an A level understanding of chemical concepts?

<p>Connecting molecular polarity with bond polarity (A)</p> Signup and view all the answers

Selecting and evaluating scientific information is a component of an A grade understanding.

<p>True (A)</p> Signup and view all the answers

What is one factor that affects reaction rates?

<p>Temperature</p> Signup and view all the answers

An A level student accurately applies scientific knowledge to ______ contexts.

<p>unfamiliar</p> Signup and view all the answers

Match the concepts to their explanations:

<p>Chemical models = Explain complex phenomena Reaction rates = Factors affecting speed Intermolecular forces = Strengths of attraction Molecular polarity = Distribution of electrical charge</p> Signup and view all the answers

Which of these abilities is NOT characteristic of an A grade?

<p>Memorizing definitions (C)</p> Signup and view all the answers

Clear explanation of relationships between concepts is expected at an A level.

<p>True (A)</p> Signup and view all the answers

An A level understanding involves linking multiple ______ to explain relationships.

<p>concepts</p> Signup and view all the answers

Which of the following is considered a primary source of data?

<p>A report of data created by researchers (D)</p> Signup and view all the answers

Reliable data is data that has not been judged for accuracy.

<p>False (B)</p> Signup and view all the answers

What does research ethics encompass?

<p>Norms of conduct for ethical research behavior.</p> Signup and view all the answers

A _____ error is the uncontrollable effects that can impact measurement results.

<p>random</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Mode = Processes of communication such as listening, speaking, and writing Research = To gather and analyze information for understanding Risk assessment = Evaluations to identify and control hazards Representation = Demonstrating understanding of a concept in various forms</p> Signup and view all the answers

Which option best describes 'representation'?

<p>A demonstration using various mediums (B)</p> Signup and view all the answers

Primary data is collected indirectly through previous research.

<p>False (B)</p> Signup and view all the answers

_____ data is judged to have a high level of reliability.

<p>Reliable</p> Signup and view all the answers

What does formulating a testable hypothesis involve?

<p>Linking dependent and independent variables (D)</p> Signup and view all the answers

Developing responses to unfamiliar contexts demonstrates specific application of scientific knowledge.

<p>False (B)</p> Signup and view all the answers

What is an important aspect of designing investigations in scientific inquiry?

<p>Identifying and controlling some variables</p> Signup and view all the answers

The process of collecting data in an experiment is an essential step in __________.

<p>scientific inquiry</p> Signup and view all the answers

Match the following scientific concepts with their definitions:

<p>Hypothesis = A testable prediction about the relationship between variables Variable = A factor that can change in an experiment Data Collection = The process of gathering information during an investigation Experimental Method = A structured approach to testing hypotheses and gathering data</p> Signup and view all the answers

When selecting scientific information to solve a problem, what type of problems are typically addressed?

<p>Straightforward problems (D)</p> Signup and view all the answers

Providing unclear or limited working during problem-solving is acceptable in scientific practice.

<p>False (B)</p> Signup and view all the answers

What is a key characteristic of responses that develop in unfamiliar contexts?

<p>They are generic and lack specific application of scientific knowledge.</p> Signup and view all the answers

Flashcards

Chemistry

The study of materials and substances, and how they change through interactions and energy transfer.

Syllabus

A document outlining the curriculum for a subject.

Copyright

Legal right granted to the creator of a work.

School Curriculum & Standards Authority

Organization responsible for the curriculum in a particular education system.

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Copyright Act 1968

Australian law governing copyright and intellectual property rights.

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Creative Commons Attribution 4.0 International

License that allows use of material under certain conditions.

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Year 11 Syllabus

Curriculum document for Year 11 Chemistry.

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Rationale

The reason or explanation for a curriculum’s design.

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Aims

Educational goals within the curriculum.

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Organisation

Structure and arrangement of the syllabus’ contents.

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Applying chemical models

Using chemical models to explain complex phenomena like reaction rates and intermolecular forces.

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Linking chemical concepts

Connecting multiple chemical concepts to explain relationships, for example, molecular polarity and bond polarity.

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Explaining substance properties

Using models to explain the detailed characteristics of substances and systems.

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Applying chemical knowledge

Using chemical knowledge for solving problems in unfamiliar situations and contexts with examples.

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Evaluating chemical data

Judging and using chemical information from multiple sources like equations or formulae to explain things.

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Intermolecular Forces

Forces of attraction between molecules, influencing properties like vapor pressure, melting point, boiling point, and solubility.

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VSEPR Theory

A theory that predicts molecular shapes based on the repulsion between electron pairs around a central atom.

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Molecular Polarity

A measure of the uneven distribution of charge within a molecule, influenced by electronegativity and molecular shape.

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Intermolecular Forces

Forces acting between molecules, including dispersion, dipole-dipole, and hydrogen bonding.

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Chromatography

Techniques (TLC, GC, HPLC) for separating components of a mixture based on different interactions with stationary and mobile phases.

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Ideal Gas Behavior

Relationship between pressure, temperature, and volume of a gas, as explained by the kinetic theory of gases.

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Mole Concept

A way to relate the mass of substances to the number of particles (atoms, molecules) and the volume of gases at standard conditions.

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Potable water

Drinkable water that meets safety regulations for solutes.

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Water purification

Processes to make water safe to drink, like desalination, filtration, and chlorination, depending on the source.

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Heavy metal contamination

Presence of harmful heavy metals in water, needing monitoring and methods for reduction.

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Calculations

Performing mathematical operations like addition, subtraction, multiplication, and division on numerical quantities.

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Approximate Evaluations

Estimating the value of numerical expressions without precise calculations.

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Fractions to Percentages

Converting fractions into percentage representations, and vice-versa.

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Percentage Calculation

Determining the percentage value of a quantity.

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Ratios

Relationships between quantities represented as a fraction.

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Decimal to Power of Ten

Representing decimal numbers using powers of 10.

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Changing Equation Subject

Rearranging an equation to isolate a specific variable.

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Dimensional Consistency

Checking the units of physical quantities in an equation to ensure accuracy.

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Algebraic Equations

Equations containing variables and constants, requiring solutions.

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Mathematical Symbols

Understanding and employing notations like , Δ, ≈ in mathematical expressions.

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Graphical, Numerical, Algebraic Forms

Converting information between graphical, numerical, and algebraic representations.

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Discrete/Continuous Data

Distinguishing between data that can only take certain values (discrete) and data that can take any value within a range (continuous).

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Frequency Tables/Diagrams

Organizing and representing data using tables and diagrams to show frequency counts.

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Pie Charts/Histograms

Visual representations of data using circular charts or bar graphs.

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Mean, Median, Interquartile Range

Statistical measures used to describe and compare data sets.

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Slope of a Linear Graph

The steepness of a line on a graph, representing the rate of change.

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Describing Trends

Identifying patterns and relationships in data or observations.

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Substance Properties

Characteristics of substances like color, density, or reactivity.

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Generic Responses

Answers to new situations that aren't tied to specific science knowledge.

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Selecting Scientific info

Picking out useful data for simple problem-solving.

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Solving Problems

Using formulas to get answers to simple problems.

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Limited/Unclear Working

Incomplete or unclear explanations in scientific work.

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Testable Hypothesis

A prediction that can be tested through an experiment.

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Controlled Variables

Factors kept constant during an experiment.

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Experimental Method

Detailed steps of how an experiment will be performed.

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Data Collection

Gathering information from an experiment.

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Media Texts

Examples include newspapers, magazines, television, film, radio, computer software, and the internet.

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Mode (Communication)

Different ways of communicating, including listening, speaking, reading/viewing, and writing/creating.

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Model (Representation)

A simplified explanation of how things work, structured, and are related.

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Primary Data

Information collected directly from the source by the researcher.

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Primary Source

A report created by someone who experienced an event, experiment, or project personally.

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Random Error

Unforeseen measurement inaccuracies from equipment, procedure, or environment.

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Reliable Data

Data that consistently produces similar results when measured multiple times.

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Reliability

The consistency of a measurement tool or method.

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Representation

A demonstration of a concept using visuals, words, or math.

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Research

Gathering, recording, analyzing information to understand a topic.

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Research Ethics

Rules for ethical research behaviors, like honesty and respect.

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Risk Assessment

Identifying, evaluating, and managing potential dangers.

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Study Notes

Chemistry ATAR Year 11 Syllabus

  • This syllabus is effective from 1 January 2017
  • Users are responsible for checking its currency
  • Syllabuses are reviewed typically every five years

Content

  • The syllabus is structured into two units, each lasting one semester
  • Notional time for each unit is 55 contact hours
  • Unit 1 focuses on chemical fundamentals: structure, properties, and reactions
  • Unit 2 focuses on molecular interactions and reactions
  • Content includes:
    • Rationale
    • Aims
    • Organisation of content
    • Structure of the syllabus
    • Progression from Year 7-10 curriculum
    • Representation of cross-curriculum priorities

Aims

  • Develop student interest in and appreciation of chemistry
  • Develop understanding of chemical systems, structures, and properties
  • Develop understanding of factors affecting chemical systems
  • Develop appreciation of chemistry as an experimental science with societal impacts
  • Develop expertise in conducting scientific investigations
  • Develop ability to evaluate evidence and construct ethical conclusions
  • Develop ability to communicate chemical understanding to different audiences

Organisation

  • The course is organised into Year 11 and Year 12 syllabuses
  • Cognitive complexity of the syllabus content increases from Year 11 to 12

Science Inquiry Skills

  • Identifying, researching, and refining questions for investigation
  • Proposing hypotheses, and predicting possible outcomes
  • Designing investigations
  • Conducting risk assessments, and considering research ethics
  • Collecting valid and reliable data
  • Representing data meaningfully and usefully
  • Interpreting data, trends, and relationships
  • Constructing scientific arguments
  • Communicating to specific audiences

Science as a Human Endeavour

  • Development of science as a unique way of knowing and doing
  • Using and influencing science in society
  • The dynamic nature of science concepts, models, and theories; and critique and uncertainty
  • The interactions between science and social, economic, ethical and cultural factors
  • The potential risks and benefits of science and scientific advancements
  • Intercultural understanding aspects of science

Safety

  • Science learning experiences may involve hazardous substances and/or equipment
  • Schools are responsible for ensuring duty of care and adherence to health and safety regulations

Mathematical Skills

  • Performing calculations (addition, subtraction, multiplication, division)
  • Applying approximate evaluations of numerical expression
  • Converting between fractions, decimals, and percentages
  • Transforming decimal notation to powers of ten
  • Changing the subject of a simple equation
  • Solving simple algebraic equations
  • Using appropriate representations, language and nomenclature

Unit 1 Content

  • Students use atomic structure models to explain macroscopic properties
  • Students develop comprehension of chemical reaction energy changes
  • Using chemical equations to calculate substance masses

Unit 2 Content

  • Students refine understanding of bonding models and reaction relationships
  • Students examine factors affecting chemical reaction rates
  • Investigate unique properties of water, acids, and bases
  • Calculating concentrations and volumes of solutions involved in reactions

School-based Assessment

  • Weighting for each assessment type is detailed
  • Assessment tasks to be conducted in a supervised classroom setting
  • Include investigations as specified by the syllabus

Grade Descriptions

  • Detailed criteria for each grade are provided

Appendices

  • Appendix 1 includes grade descriptions for Year 11
  • Appendix 2 provides a list of chemical formulas for ions and molecules
  • Appendix 3 contains a glossary of key terms

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