ionic compounds?

Question

Which of the following statements incorrectly describe ionic compounds?

i.They never contain covalent bonds

ii.They are formed when atoms share their valence electrons

iii.They are usually solids at room temperature

iv.They are generally gases at ice water temperature




a. i, ii, and iv

b. iii only

c. i and ii

d. ii and iv

e. iii and iv

Answer 1

d.

i is true.

ii. is saying the opposite of i. covalent bonds are formed when atoms share valence electrons so it is false because ions don't form covalent bonds.

iii. is true as long as it is not in aqueous solution.

iv. this is false, especially if they are in ice water.

do your own chem homework nextime.

Answer 2

III only

i an ion such as CO3--contains covalent bounds -false

ii this is a covalent bound -false

iii correct

Iv false

Answer 3

a

Answer 4

e