Covalent Test Review

​COVALENT BONDING
QUIZIZZ TEST REVIEW

USE YOUR NOTES TO COMPLETE THIS QUIZIZZ LESSON

Labelling

Label the group with correct number of valence electrons:

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4

5

3

6

2

1

8

7

Dropdown

Covalent bonds occur between a ​nonmetal and a​ ​

Select answer

Drag and Drop

Hydrogen is satisfied at ​

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electrons, whereas most other elements require​

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for stability.

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2

8

10

1

Labelling

Label the electrons correctly.

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shared pair

octet pair

transferred pair

lone pair

Multiple Choice

 A lone pair is defined as

• A pair of bonding electrons
• One non-bonding electron
• A pair of non-bonding electrons
• A pair of electrons on the central atom

Multiple Choice

Smallest unit of a covalently bonded compound is called a(n)

• formula unit

• molecule

• alloy

• element

Categorize

Options (10)

unequal sharing of electrons

equal sharing of electrons

+/- poles

no poles

EN diff=0.4 to 1.7

EN diff=0.0 to 0.4

H₂O

Cl₂

Classify the following as polar and nonpolar

POLAR

NONPOLAR

Drag and Drop

The first rule of naming is: ​

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The second rule of naming is: ​

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add prefixes to tell how many atoms

name the metal not changing name

change the ending of 2nd to "ide"

write the roman numeral 

name the polyatomic ion 

Drag and Drop

What is the name of the molecule? ​

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​

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carbon

monocarbon

dicarbon

dioxide

monoxide

oxide

Drag and Drop

What is the name of the molecule?​

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​

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trisulfur

tetrachloride

tetrasulfur

trichloride

trisulfide

trichlorous

Multiple Choice

What are the seven diatomic elements?

• H_2, Cl₂, Br₂, O₂, N₂, I₂, F₂

• H₂, Cl₂, I₂, F₂, Hg₂, Br₂, Fe₂

• H_2, Cu₂, Ni₂, B₂, O₂, I₂, Fe₂

Multiple Choice

Which Lewis Dot Model drawing correctly shows an O₂ molecule?

Multiple Choice

When writing Lewis Structures, only __________ electrons are used.

• Inner shell
• Core 
• Valence
• Stable

Multiple Choice

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

• 2
• 8
• 6
• 18

Multiple Choice

What is the VSEPR theory used to predict?

• Bond Strength
• Polarity
• Molecular Shape
• Electronegativity

Multiple Choice

According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?

• Pairs of valence electrons
• Inner shell electrons
• Mobile Electrons
• Electrons closest to the nucleus

Categorize

Options (15)

May not have central atom

Two atoms bonded to central atom

Three atoms bonded to central atom

Four atoms bonded to central atom

HF

SH₂

PCl₃

CH₃Cl

No lone pairs on central atom

One LONE PAIR on central atom

Two LONE PAIRS on central atom

Match the phrase or example with correct molecular shape.

Linear

Bent

Trigonal Pyramidal

Tetrahedral

Labelling

Label the graphic with

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intramolecular bond

intermolecular force

atoms of the SAME molecule

two different molecules

Hotspot

Which is stronger?

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Which is weaker?