Unit 8 Review (ESL Physical Science)

Unit 8 Review (ESL Physical Science)

Assessment

Flashcard

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is nuclear fusion?

Back

Nuclear fusion is the process where two low-mass nuclei combine to form a larger nucleus, releasing energy.

2.

FLASHCARD QUESTION

Front

What charge does an atom have when it gains electrons?

Back

An atom has a negative charge when it gains electrons.

3.

FLASHCARD QUESTION

Front

What are the physical properties of a metalloid?

Back

Metalloids are malleable, do not conduct electricity well, and typically lack luster.

4.

FLASHCARD QUESTION

Front

What is half-life?

Back

Half-life is the time required for half of the radioactive atoms in a sample to decay.

5.

FLASHCARD QUESTION

Front

How much iodine-131 is left after 16 days if 20 mg is given and its half-life is 8 days?

Back

5 mg of iodine-131 is left after 16 days.

6.

FLASHCARD QUESTION

Front

What is beta decay?

Back

Beta decay is a type of radioactive decay where a beta particle (electron or positron) is emitted from an atomic nucleus.

7.

FLASHCARD QUESTION

Front

What is nuclear fission?

Back

Nuclear fission is the process of splitting a large nucleus into smaller nuclei, accompanied by the release of energy.

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