CHEM 120 WEEK 2 PRACTICE QUESTIONS AND ANSWERS| LATEST 2021:Chamberlain College of Nursing (100% SATISFACTIONS)

CHEM 120 WEEK 2 PRACTICE QUESTIONS AND ANSWERS

1. Question No. : (TCO 3) The maximum number of electrons that may reside in the n=2
energy level is

Student Ans:
2.

3.

8.

10.

18.
Inst. Exp: Chapter 3

1926461364 MultipleChoice 2 True

0 1926461364 MultipleChoice 2

2. Question No. : (TCO 3) How many electrons are in a phosphorus atom?

Student Ans:
15

19

23

39

84
Inst. Exp: Chapter 3

1926461365 MultipleChoice 5 True

0 1926461365 MultipleChoice 5

3. Question No. : (TCO 3) Which is an impossible electron configuration?

Student Ans:
1s2 2s2

1s2 2s2 2p4

1s2 2s2 2p4

1s3 2s2 2p4 3s1

1s2 2s2 2p4 3s2

, CHEM 120 WEEK 2 PRACTICE QUESTIONS AND ANSWERS

Inst. Exp: Chapter 3

1926461366 MultipleChoice 8 True

0 1926461366 MultipleChoice 8

4. Question No. : (TCO 3) The ground element with the ground state electron
configuration of 1s2 2s2 2p6 3s2 is

Student Ans:
Mg.

Ca.

Mn

Na.

Ne.
Inst. Exp: Chapter 3

1926461367 MultipleChoice 11 True

0 1926461367 MultipleChoice 11

5. Question No. : (TCO 3) Which substance has ionic bonds?

Student Ans:
O2

CaO

H2O

Cl2
Inst. Exp: Chapter 4

1926461368 MultipleChoice 13 True

0 1926461368 MultipleChoice 13

6. Question No. : (TCO 3) A oxide ion is _____.

Student Ans:
O-

O2-

O