Podcast
Questions and Answers
What is the difference between a homogeneous and a heterogeneous mixture?
What is the difference between a homogeneous and a heterogeneous mixture?
Matter can be classified as either an element or a compound.
Matter can be classified as either an element or a compound.
True
What is the name of the group of elements in the periodic table that includes elements such as fluorine, chlorine, and iodine?
What is the name of the group of elements in the periodic table that includes elements such as fluorine, chlorine, and iodine?
Halogens
The ion with a noble gas configuration is the ______________ ion.
The ion with a noble gas configuration is the ______________ ion.
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Match the following chemical reactions with their types:
Match the following chemical reactions with their types:
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What is the empirical formula of a compound that has a molecular formula of C2H4?
What is the empirical formula of a compound that has a molecular formula of C2H4?
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What is the oxidation number of the lead ion in the compound PbO?
What is the oxidation number of the lead ion in the compound PbO?
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Electronegativity is a measure of an atom's ability to lose electrons.
Electronegativity is a measure of an atom's ability to lose electrons.
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Study Notes
Chemistry 11 Exam Overview
- Exam consists of 40 multiple-choice questions, 3 parts (B, C, and D) with a total of 85 marks and a duration of 1.5 hours.
Matter and Mixtures
- Homogeneous mixtures: uniform composition throughout.
- Heterogeneous mixtures: non-uniform composition.
- Compounds: formed by chemical bonding between atoms.
- Substances: matter with a fixed composition.
Periodic Table
- Groups of the periodic table can be identified.
Ions and Electron Configuration
- Ions can have a noble gas configuration.
- Ion with 46 electrons has a specific configuration.
Chemical Equations
- Chemical equations can be balanced.
- Types of reactions: decomposition, others.
Empirical Formula and Molecular Weight
- Empirical formula can be determined.
- Molecular weight can be calculated.
- Formula for a salt is XBr, with X ion having 46 electrons.
Chemical Formulas and Naming
- Chemical formulas can be written.
- Compounds can be named using specific rules.
Atomic Radius and Polarity
- Atomic radius can be determined.
- Electronegativity and polarity can be determined.
Chemical Reactions
- Reactions can involve the loss or gain of electrons.
- Reaction types: combustion, others.
Ionic Bonding and Compounds
- Ionic compounds can be formed.
- Ionic bonding involves the transfer of electrons.
Molar Mass and Mol Constant
- Molar mass can be calculated.
- Molar constant is a specific value.
Stoichiometry
- Limiting reactant can be determined.
- Concentrations can be calculated.
###Lewis Structures
- Lewis structures can be drawn for ionic and covalent compounds.
- Compounds can be named using Lewis structures.
Net Ionic Equations
- Net ionic equations can be written.
- Full ionic equations can be written.
- Net molecular equations can be written.
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Description
Practice chemistry exam with 40 multiple-choice questions and problem-solving exercises covering topics such as mixtures, compounds, periodic table, chemical equations, and significant figures.
