Test - Bonding

Question 1

1. If atoms of a halogen nonmetal (Group 17) gain one electron, the atoms then have

Answer 1

8 valence electrons NB 2-6

Question 2

5. Molecular compounds do not conduct electricity because they

Answer 2

Do not break up into ions NB 22-24

Question 3

7. Which of the following is the correct name for a compound between Phosphorus and Chlorine?

Answer 3

Phosphorus trichlorine NB 22-24

Question 4

15. Which of the following is a characteristic property of ionic compounds?

Answer 4

They form hard, brittle crystals with characteristic shapes. NB 23

Question 5

22. How does an atom of aluminum become an ion?

Answer 5

It loses 3 electrons NB 9-16

Question 6

32. Anions are formed by

Answer 6

Gaining electrons NB 2-6

Question 7

46. When an ionic compound forms, the total number of positive charges and the total number of negative charges must be……..

Answer 7

Equal NB 2-6

Question 8

50. In a double covalent bond, ____________ electrons are shared between two atoms.

Answer 8

Four pairs of two NB 22-24