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Bonding and Polarity #1

Posljednje ažuriranje over 1 year ago

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Pitanje 1

1.

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

ionic

non-polar covalent

polar covalent

metallic

Pitanje 2

2.

The following molecule is best described as ...

polar

non-polar

Pitanje 3

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

Pitanje 4

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

Pitanje 5

5.

Which one of the following is a polar molecule?

CCl₄

CO₂

H₂

H₂S

Pitanje 6

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

Pitanje 7

7.

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

MgCl₂

Cl₂

H₂O

HCl

CH₄

NaF

Pitanje 8

8.

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

H₂O

CH₄

MgCl₂

NaF

Cl₂

HCl

Pitanje 9

9.

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

MgCl₂

NaF

Cl₂

H₂O

Ca

CH₄

Pitanje 10

10.

This substance is formed by an electrostatic attraction between ions

Cl₂

CH₄

HF

H₂O

Na

MgCl₂

Pitanje 11

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