Question 1

Which of the following is an example of ionic compound?

Accepted Answer

MgF₂

Answer

CaK₂

Answer

OP₂

Answer

Na₂Mg

Question 2

How many atoms of magnesium are there in MgF₂?

Accepted Answer

1

Answer

2

Answer

0

Answer

3

Question 3

What can we infer about ionic compounds?

Accepted Answer

They are good conductors of electricity in aqueous solution.

Answer

They are poor conductors of electricity.

Answer

They are soft and malleable.

Answer

They are volatile.

Question 4

What constitute an ionic compound?

Accepted Answer

a metal and a nonmetal

Answer

none of the above

Answer

two nonmetals

Answer

two metals

Question 5

Which of the following shows an ionic compound?

Accepted Answer

FeCl₂

Answer

H₂O

Answer

alcohol

Answer

sugar

Question 6

If an ionic compound is placed under 30 degrees Celcius, will it melt?

Accepted Answer

No, ionic compounds have high melting and boiling point

Answer

Yes, ionic compounds have low melting and boiling point

Question 7

Water is not an ionic compound. It means that it cannot conduct electricity. However during flooding, people can still be electrocuted once they are submerged in flood water. Why is this so?

Accepted Answer

Flood water contain different particles which serve as electrolyte thereby causing people to be electrocuted.

Answer

Flood water conducts electricity because of the lightning and electricity is strong.

Answer

Flood water can conduct electricity because it is an exemption to the rule.

Question 8

Complete the statement: Opposite charges _______________.

Accepted Answer

attract

Answer

repel

Question 9

Can ionic compounds conduct electricity when they are in solid form?

Accepted Answer

NO, they are insulators.

Answer

YES, they can because of electrolytes.

Question 10

What do you call the giant structure formed by ionic compounds?

Accepted Answer

Ionic Lattice

Answer

Van der Waal forces

Answer

Molecular geometry

Answer

H bond

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