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Questions and Answers
What is a mixture?
What is a mixture?
A combination of two or more components
What does periodic mean?
What does periodic mean?
Occurring at regular intervals
What is an element?
What is an element?
Substances composed of only one type of atom
CO2 is an element.
CO2 is an element.
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N2, O2, and Cu are elements.
N2, O2, and Cu are elements.
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Some elements are liquids or gases.
Some elements are liquids or gases.
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What is the chemical symbol for gold?
What is the chemical symbol for gold?
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What is the chemical symbol for nitrogen?
What is the chemical symbol for nitrogen?
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What is the chemical symbol for oxygen?
What is the chemical symbol for oxygen?
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What is the chemical symbol for lead?
What is the chemical symbol for lead?
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What is the chemical symbol for iron?
What is the chemical symbol for iron?
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What is the chemical symbol for sulfur?
What is the chemical symbol for sulfur?
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What is the chemical symbol for calcium?
What is the chemical symbol for calcium?
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Pure gold is _____.
Pure gold is _____.
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An element has more than two kinds of atoms.
An element has more than two kinds of atoms.
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How many different elements have been discovered?
How many different elements have been discovered?
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Carbon is an element.
Carbon is an element.
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Elements cannot be seen with the eye.
Elements cannot be seen with the eye.
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The illustrated arrangement of the elements and their atomic properties is summarized in the _____.
The illustrated arrangement of the elements and their atomic properties is summarized in the _____.
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The first letter of the element symbol is capitalized.
The first letter of the element symbol is capitalized.
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Elements located in the vertical column of the Periodic Table are the same _____ and have _____ chemical properties.
Elements located in the vertical column of the Periodic Table are the same _____ and have _____ chemical properties.
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Study Notes
Mixture
- A mixture consists of two or more components combined together.
Periodic
- Refers to events or occurrences happening at regular intervals in time.
Element
- Elements are pure substances made up of only one type of atom.
Carbon Dioxide
- CO2 is not an element; it is a compound made of carbon and oxygen.
Elements in Nature
- N2 (nitrogen), O2 (oxygen), and Cu (copper) are all classified as elements.
Physical States of Elements
- Some elements naturally exist in liquid or gas forms at room temperature.
Element Symbols
- Gold is represented by the symbol Au.
- Nitrogen is represented by the symbol N.
- Oxygen is represented by the symbol O.
- Lead is represented by the symbol Pb.
- Iron is represented by the symbol Fe.
- Sulfur is represented by the symbol S.
- Calcium is represented by the symbol Ca.
Pure Gold
- Pure gold is classified as an element.
Attributes of Elements
- Elements contain only one type of atom, disproving the idea that they consist of more than two kinds of atoms.
Total Elements Discovered
- Over 100 different elements have been identified in science.
Carbon Classification
- Carbon is recognized as an element.
Visibility of Elements
- Elements can be observed with the naked eye under certain conditions.
Periodic Table of Elements
- The arrangement of elements and their atomic properties is compiled in the Periodic Table of Elements.
Element Symbols Formatting
- In element symbols, the first letter is always capitalized, while the second letter, if present, is lowercase.
Group Characteristics in the Periodic Table
- Elements that are aligned vertically in the Periodic Table share the same group and exhibit similar chemical properties.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your understanding of basic chemistry concepts with these flashcards focusing on elements, mixtures, and periodic properties. Each card features a key term and its definition, alongside true or false questions to challenge your knowledge. Perfect for students looking to reinforce their learning in science.
