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Honors Chemistry Chapter 3 Practice Questions and Answers

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Honors Chemistry Chapter 3 Practice Questions and Answers What is the Law of Conservation of Mass? - Answer️️ -The law that states that mass cannot be created or destroyed in ordinary chemical and physical changes. What is the Law of Definite Proportions? - Answer️️ -The law that states...

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  • September 13, 2024
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Honors Chemistry Chapter 3 Practice
Questions and Answers


What is the Law of Conservation of Mass? - Answer✔️✔️-The law that states that mass

cannot be created or destroyed in ordinary chemical and physical changes.


What is the Law of Definite Proportions? - Answer✔️✔️-The law that states that a

chemical compound always contains the same elements in exactly the same

proportions by weight or mass.

What is the Law of Multiple Proportions? - Answer✔️✔️-The law that states that when two

elements combine to form two or more compounds, the mass of one element that

combines with a given mass of the other is in the ratio of small whole numbers.

Who came up with the atomic theories in 1808 and what were they? - Answer✔️✔️-John

Dalton

1. All matter is composed of extremely small particles called atoms.

2. Atoms of an element are identical in size, mass, and other properties; atoms of

different elements differ in size, mass, and other properties.

3. Atoms cannot be subdivided, created, or destroyed.

4. Atoms of different elements combine in simple whole-number ratios to form chemical

compounds.

5. In chemical reactions, atoms are combined, separated, or rearranged

(These are not all correct)


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