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The Structure of the Atom – Module 3 Test

The Structure of the Atom – Module 3 Test

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 did Bohr propose about electron movement?

Back

Electrons move around the nucleus in specific paths at fixed distances from the nucleus.

2.

FLASHCARD QUESTION

Front

What is the smallest particle that retains the properties of an element?

Back

Atom

3.

FLASHCARD QUESTION

Front

What is the average atomic mass of Rhenium?

Back

186.20 amu

4.

FLASHCARD QUESTION

Front

What did J.J. Thomson discover about atoms?

Back

Atoms contain negatively charged particles.

5.

FLASHCARD QUESTION

Front

How do you calculate the number of neutrons in an isotope given its nuclear symbol?

Back

Subtract the atomic number from the mass number.

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 the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

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