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Atoms and Electron Dots

Authored by Lisa Thompson

Science

8th Grade

NGSS covered

Atoms and Electron Dots
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

According to the octet rule most elements need _______ valence electrons.

2

8

6

18

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many electrons does potassium K contain? (click to see image)

19

39

20

40

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What element is represented in this Bohr Model?

Carbon

Hydrogen

Aluminum

Lithium

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In an electron dot diagram, what do the dots around the symbol represent?

electrons

valence electrons

protons

protons and neutrons

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The particle in the atom that has a negative charge is called?

electron

proton

neutron

megatron

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The area outside the nucleus where a particle moves around is called?

electron cloud

nucleus

electron space

orbital space

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The number of electrons in the outer energy level is referred to as?

valence electrons

outer electrons

electron cloud

orbital shells

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