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2-1 Part 3 Review

2-1 Part 3 Review

Assessment

Flashcard

Chemistry, Science

11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

Student preview

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15 questions

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1.

FLASHCARD QUESTION

Front

What does the nucleus of an atom contain?

Back

The nucleus of an atom contains protons and neutrons.

2.

FLASHCARD QUESTION

Front

When is a nucleus considered STABLE?

Back

A nucleus is considered STABLE when the number of protons and neutrons are the same.

3.

FLASHCARD QUESTION

Front

What happens to an atom when its nucleus is unstable?

Back

The atom shakes or wiggles when the nucleus is unstable.

4.

FLASHCARD QUESTION

Front

What is the ratio of protons to neutrons in a stable nucleus?

Back

The ratio of protons to neutrons in a stable nucleus is 1:1.

5.

FLASHCARD QUESTION

Front

Why is this nucleus considered STABLE?

Back

This nucleus is considered STABLE because there are equal numbers of neutrons and protons.

6.

FLASHCARD QUESTION

Front

Define protons.

Back

Protons are positively charged particles found in the nucleus of an atom.

7.

FLASHCARD QUESTION

Front

Define neutrons.

Back

Neutrons are neutral particles found in the nucleus of an atom.

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