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Science

8th Grade

NGSS covered

Used 184+ times

Ch. 4-2: Covalent Bonds
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In an electron dot diagram, two pairs of shared electrons represents a ...

single bond
double bond
triple bond
quadruple bond

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A Nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share?

1
1
3
4
6

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Compared to ionic compounds, molecular compounds generally have...

good conductivity
greater densities
more chemical bonds
a low boiling point

Tags

NGSS.HS-PS1-3

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Compared to ionic compounds, molecular compounds generally have...

stronger chemical bonds
poor conductivity
a high melting point
lower densities

Tags

NGSS.HS-PS2-6

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In a(an) POLAR bond, one atom pulls on the shared electrons more than the other atom. 

True
False

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do covalent bonds form?

Donating & receiving valence e- between atoms.
Opposite slight charges attract each other between compounds.
Scientists are still not sure how they form.
Sharing valence e- between atoms.

Tags

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What two types of atoms make a covalent bond?

2 Nonmetals
1 Nonmetal and 1 Metal
2 Metals
2 Noble Gases

Tags

NGSS.MS-PS1-1

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