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Matter, Element, and Atom Basics

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Questions and Answers

What is matter?

The building blocks of atoms

Anything that has mass and takes up space (correct)

Any substance that can be broken down into simpler chemical substances

A combination of two or more pure substances that are chemically combined

How many elements are known to science?

118 (correct)

What is an element?

The smallest particle of matter with unique properties

A combination of two or more chemically combined substances

A sample composed of one kind of matter with a constant composition

The simplest type of chemical substance that cannot be broken down by ordinary means (correct)

What is a pure substance?

A sample composed of one kind of matter with a constant composition Signup and view all the answers

What is the difference between a mixture and a compound?

Mixtures can be separated physically, while compounds cannot Signup and view all the answers

What is the substance that dissolves in a solvent to produce a solution?

Solute Signup and view all the answers

Which of the following is an example of a gas-gas solution?

Air (oxygen in nitrogen) Signup and view all the answers

What is considered the universal solvent?

Water Signup and view all the answers

Which of the following is an example of an extensive physical property?

Volume Signup and view all the answers

What is the difference between mass and weight?

Mass will vary from planet to planet, but weight will remain the same Signup and view all the answers