Atom Models - Protons & Electrons

Atom Models - Protons & Electrons

8th Grade

16 Qs

quiz-placeholder

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Atom Models - Protons & Electrons

Atom Models - Protons & Electrons

Assessment

Quiz

Science

8th Grade

Practice Problem

Medium

NGSS
MS-PS1-1

Standards-aligned

Created by

Teri Thompson

Used 22+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What type of atom model is shown?

Bohr Model of the atom

Electron Cloud Model of the atom

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What type of atom model is shown?

Bohr Model of the atom

Electron Cloud Model of the atom

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the number of protons in the Bohr Model Shown?

2

5

7

14

Answer explanation

Nitrogen has an atomic number of 7.

This tells you that the number of protons is 7.

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many protons should be placed in the nucleus of the Bohr Model shown?

2

4

6

8

Answer explanation

There are 6 electrons.

The number of protons must equal the number of electrons, so there are also 6 protons in the nucleus.

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many electrons should be located on the 3rd energy level of this Bohr Model of Argon (Ar)?

6

2

8

18

Answer explanation

It has 18 electrons.

The 1st has 2, the 2nd has 8 - which adds up to 10.

It needs 8 more.

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Silicon (Si) has an atomic number of 14.

How many electrons would be placed on each energy level?

1st - 2

2nd - 8

3rd - 4

1st - 4

2nd - 8

3rd - 2

1st - 2

2nd - 6

3rd - 6

1st - 2

2nd - 8

3rd - 8

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Fluorine (F) has 9 protons.

How many electrons would be placed on the 2nd energy level to complete the Bohr Model of fluorine?

9

2

8

7

Answer explanation

9 protons = 9 electrons

The 1st energy level has 2 electrons.

9 - 2 = 7

So, 7 electrons will go on the 2nd level.

Tags

NGSS.MS-PS1-1

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