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Bonding and Polarity #1

Last updated over 1 year ago

11 Nsɛmmisa

1

1

1

1

1

1

1

1

1

1

2

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1.

The chemical bonding in the following molecule is best described as ...

ionic

non-polar covalent

polar covalent

metallic

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2.

The following molecule is best described as ...

polar

non-polar

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3.

The polarity of a bond between two elements can be best determined by

The difference in electronegativity between the elements

The difference in atomic radius between the elements

The number of electrons shared in the bond

The difference in charge distribution between the elements

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4.

In the diagram shown, what is the total number of electrons shared in the bond between the two carbon atoms?

2

4

6

8

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5.

Which one of the following is a polar molecule?

CCl₄

CO₂

H₂

H₂S

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6.

A type of bond that results from the equal sharing of electrons is a

polar covalent bond

ionic bond

non-polar covalent bond

none of these options apply

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7.

Which ONE of these is a non-polar covalent compound with polar covalent bonds?

MgCl₂

Cl₂

H₂O

HCl

CH₄

NaF

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8.

Which ONE of these is a non-polar covalent compound with non-polar covalent bonds?

H₂O

CH₄

MgCl₂

NaF

Cl₂

HCl

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9.

This substance's bonding model involves a cation core with a sea of delocalised electrons.

MgCl₂

NaF

Cl₂

H₂O

Ca

CH₄

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10.

This substance is formed by an electrostatic attraction between ions

Cl₂

CH₄

HF

H₂O

Na

MgCl₂

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11.

When bonds are formed and broken, energy is .....

Bonds are broken
Bonds are formed

Energy is released by the system
Energy is absorbed by the system