Atomic Structure Review

Atomic Structure Review

Assessment

Flashcard

Chemistry

11th 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 constitutes the major portion of an atom's mass?

Back

Neutrons and protons.

2.

FLASHCARD QUESTION

Front

What are the characteristics of a neutron?

Back

It has no charge and a mass of 1 amu.

3.

FLASHCARD QUESTION

Front

How do you calculate the mass number of an atom?

Back

Mass number = number of protons + number of neutrons.

4.

FLASHCARD QUESTION

Front

What is the mass number of an atom with 21 electrons, 21 protons, and 24 neutrons?

Back

45.

5.

FLASHCARD QUESTION

Front

How many protons are in a carbon-14 atom?

Back

6.

6.

FLASHCARD QUESTION

Front

What is the charge of a proton?

Back

+1.

7.

FLASHCARD QUESTION

Front

What is the charge of an electron?

Back

-1.

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