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Molecules and Bonding Unit Practice

Authored by David Marks

Chemistry

9th - 10th Grade

Used 9+ times

Molecules and Bonding Unit Practice
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The electrons in a polar covalent molecule are shared...

Evenly

Unevenly

Electrons are not shared

None of the Above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a polar covalent bond, the electrons gather around...

The atom with the Greatest Electronegativity

The atom with the Lowest Electronegativity

Each atom Equally

None of the Above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A diatomic molecule like O2 is always _____ because electrons are shared _____

nonpolar; unequally

polar; equally

nonpolar; equally

polar; unequally

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

When you have H-Cl, what is the polarity?

nonpolar

polar

ionic

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many lone pairs of electrons are on the P atom in PF3?

1

2

3

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many electrons are shared between the atoms in a molecule of oxygen gas, O2 ?

none

two

four

six

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

2
8
6
18

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