Test - Chemical Bonds

Question 1

3. Which of the following is an example of a molecule?

Answer 1

H2O. Pg.22

Question 2

5. Molecular compounds do not conduct electricity because they

Answer 2

Do not break up into ions. Pg. 22

Question 3

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

Answer 3

Phosphorus trichloride. Pg.24

Question 4

11. When an atom loses an electron, it becomes a

Answer 4

Positive ion. Pg.3

Question 5

17. Each group (family) in the periodic table has its own characteristic properties based on the number of

Answer 5

Valence electrons. Pg. 2

Question 6

21. A group of covalently bonded atoms that acts together as one charged atom is a

Answer 6

Crystal. Pg.9

Question 7

23. Which is a property shared by most molecular compounds?

Answer 7

Low melting point. Pg.23

Question 8

25. Electrons involved in the formation of Chemical bonds are called

Answer 8

Valence electrons. Pg.2

Question 9

33. The chemical bond formed when two atoms share electrons is called a(n)

Answer 9

Covalent bond. Pg.9

Question 10

34. What is a double bond?

Answer 10

Two pairs of electrons shared between two atoms. Pg. 22

Question 11

38. How many electrons are shared between the hydrogen atoms ina molecule of H2 gas?

Answer 11

2. Pg. 22

Question 12

44. The attraction between a positive ion and a negative ion results in a covalent bond.

Answer 12

False. Ionic bond, pg. 22

Question 13

#48. Chemical bonds form when valence electrons are 
\_\_\_\_\_\_\_\_ between atoms

Answer 13

Transferred / shared. Pg.11

Question 14

52. Fe(CO3)2

Answer 14

Iron (IV) Carbonate. Chemical Reference sheet

Question 15

54. Sr(ClO3)2

Answer 15

Strontium Chlorate. Pg. Chemical Reference Sheet and Periodic Table

Question 16

63. Magnesium Sulfate

Answer 16

Na2(SO4) Chemical Reference Sheet and Periodic Table

Question 17

66. Beryllium Acetate

Answer 17

Be(C2H3O2)2. Chemical Reference Sheet and Periodic Table

Question 18

70. What type of bond is formed between Sodium and Chlorine. Explain specifically what will happen to form the bond.

Answer 18

Sodium gives its 1 valence e- to Chlorine. Pg. Answer key

Question 19

71. Why do noble gases rarely form compounds?

Answer 19

Because they are already stable. Pg. Answer Key

Question 20

68. What type of bond is formed between two oxygen atoms?

Answer 20

Covalent bond. They form a double bond and share e-. Pg.23