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Chemical Bonds Review

Authored by Matthew Hein

Science

6th - 8th Grade

NGSS covered

Used 7+ times

Chemical Bonds Review
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26 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Where are valence electrons located?

In the inner-most shell of an atom.
In the outer-most shell of an atom.
Between the inner and outer shells of an atom.
Inside the nucleus of an atom.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many valence electrons do most atoms need to have a complete outer shell and be happy?

1
8
10
5

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do ions form?

Atoms gain or lose electrons to fill or empty the valence shell.

Atoms share electrons with each other.

Atoms get rid of all of their electrons.

Atoms gain or lose neutrons to change their atomic mass.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If an element gives away an electron, what type of charge will it have?

Positive.

Negative.

Neutral.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If an element gains an electron, what type of charge will it have

Positive.

Negative.

Neutral.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does an ion have a charge?

There are different numbers of protons and neutrons.
There are different numbers of neutrons and electrons.
There are different numbers of protons and electrons.
There are different numbers for atomic mass and atomic number.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do covalent bonds form?

Atoms share electrons to fill their valence shell.
Atoms gain or lose electrons to fill their valence shell.
Atoms donate electrons to a "sea" of electrons.

Tags

NGSS.HS-PS1-1

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