Topic 1B Review

Topic 1B Review

Assessment

Flashcard

Chemistry

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the total number of protons and neutrons in an atom called?

Back

Mass number

2.

FLASHCARD QUESTION

Front

What term describes how quickly or slowly reactants turn into products in a chemical reaction?

Back

Reaction Rate

3.

FLASHCARD QUESTION

Front

What does the presence of bubbles in a chemical reaction indicate?

Back

It could show that a gas is forming.

4.

FLASHCARD QUESTION

Front

What is a major cause of acid rain?

Back

Burning fossil fuels for energy.

5.

FLASHCARD QUESTION

Front

How is acid rain formed?

Back

Sulfur dioxide and nitrogen oxide mix with water in the air.

6.

FLASHCARD QUESTION

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

7.

FLASHCARD QUESTION

Front

What is a catalyst?

Back

A substance that increases the rate of a chemical reaction without being consumed.

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