Conservation of Mass

Conservation of Mass

Assessment

Flashcard

Science

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Law of Conservation of Mass?

Back

The Law of Conservation of Mass states that in a closed system, the mass of the reactants must equal the mass of the products in a chemical reaction.

2.

FLASHCARD QUESTION

Front

True or False: The mass of the reactants is equal to the mass of the products.

Back

True

3.

FLASHCARD QUESTION

Front

What happens to the mass of water when it freezes into ice?

Back

The mass of the ice is the same as the mass of the water.

4.

FLASHCARD QUESTION

Front

If a reaction starts with 20g of reactants, what should be the total mass of the products?

Back

The total mass of the products should be 20g.

5.

FLASHCARD QUESTION

Front

What is the smallest unit of an element?

Back

The smallest unit of an element is an atom.

6.

FLASHCARD QUESTION

Front

What is an atom?

Back

An atom is the basic unit of a chemical element, consisting of a nucleus surrounded by electrons.

7.

FLASHCARD QUESTION

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.

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