Atomic Structure TRT

Atomic Structure TRT

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus of an atom.

2.

FLASHCARD QUESTION

Front

How do you calculate the number of neutrons in an atom?

Back

Subtract the atomic number from the mass number.

3.

FLASHCARD QUESTION

Front

Which subatomic particle is neutral?

Back

Neutrons are the subatomic particles that have no charge.

4.

FLASHCARD QUESTION

Front

What is the atomic number of an atom?

Back

The atomic number is the number of protons in the nucleus of an atom.

5.

FLASHCARD QUESTION

Front

If an atom has an atomic number of 15, how many protons does it have?

Back

It has 15 protons.

6.

FLASHCARD QUESTION

Front

What is the relationship between mass number and atomic number?

Back

The mass number is the sum of protons and neutrons, while the atomic number is the number of protons.

7.

FLASHCARD QUESTION

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

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