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U1 Atomic Structure & Nuclear Chemistry

Authored by Christine Kochou

10th - 12th Grade

CCSS covered

Used 14+ times

U1 Atomic Structure & Nuclear Chemistry
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36 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

What is the number of protons that the element in this image contain?

14
7
15
18

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which subatomic particles contribute the most to the mass of an atom?

Protons, Neutrons, Electrons
Protons only
Protons and Electrons
Protons and Neutrons

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If an atom has 10 protons, 15 neutrons and 10 electrons, what is its mass number?

20

10

35

25

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

What type of reaction is this?

Alpha

Beta

Gamma

Positron emission

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

What type of reaction is this?

Alpha

Beta

Gamma

Positron emission

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What happens to the atomic number during alpha decay?

The atomic number decreases by 4
The atomic number increases by 1
The atomic number decreases by 2.
The atomic number stays the same.

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Balance the following equation:
146C --> 0-1e + ________

145B
146C
147N
42He

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