MULTIPLE CHOICE
1. How many electrons can the shell with a principal quantum number of 1 hold?
a. 1
b. 2
c. 4
d. 8 ANS: B
2. How many electrons
... [Show More] can the shell with a principal quantum number of 2 hold?
a. 1
b. 2
c. 4
d. 8 ANS: D
3. What is the ground-state electronic configuration of a nitrogen atom (nitrogen: atomic number 7)? a. 1s22s12p4
b. 1s22s22p3
c. 1s12s12p5
d. 1s22s22p2 ANS: B
4. What is the ground-state electronic configuration of a fluorine atom (fluorine: atomic number 9)? a. 1s12s12p7
b. 1s22s22p5
c. 1s22s22p6
d. 1s02s22p7 ANS: B
5. What is the ground-state electronic configuration of a fluoride anion (fluorine: atomic number 9)? a. 1s22s22p2
b. 1s22s22p5
c. 1s22s22p6
d. 1s22s22p7 ANS: C
6. What is the ground-state electronic configuration of a sodium cation (sodium: atomic number 11)? a. 1s22s22p63s1
b. 1s22s22p53s1
c. 1s22s22p6
d. 1s22s22p63s2 ANS: C
7. Which of the following species has an atom that has an unfilled valence shell of electrons?
a. molecular hydrogen, H2
b. hydroxide anion, HO-
c. boron trifluoride, BF3
d. water, H2O ANS: C
8. Which of the following species has an atom that has an unfilled valence shell of electrons?
a. molecular bromine, Br2
b. fluoride anion, F-
c. ammonia, NH3
d. aluminum trichloride, AlCl3 ANS: D
9. Which of the following species possesses a formal charge?
a. BH3
b. BH4
c. CCl4
d. H2S ANS: B
10. Which of the following species possesses a formal charge?
a. CCl4
b. SiCl4
c. AlCl4
d. PCl3 ANS: C
11. Which of the following compounds is an aldehyde?
a. CH3CH2CH2COOH
b. CH3CH2CHO
c. CH3CH2CH2OH
d. CH3CH2COCH3 ANS: B
12. Which of the following compounds is an alcohol?
a. CH3CH2COOH
b. CH3CH2OCH3
c. CH3CH2CH2OH
d. CH3CH2CHO ANS: C
13. Which of the following compounds is a carboxylic acid?
a. CH3CH2COOH
b. CH3CH2OCH3
c. CH3CH2CH2OH
d. CH3CH2CHO ANS: A
14. Which of the following compounds is a ketone?
a. CH3CH2COOH
b. CH3CH2CHO
c. CH3CH2CH2OH
d. CH3COCH3 ANS: D
15. Which of the following compounds is a ketone?
a. CH3CH2COOH
b. CH3CH2CHO
c. CH3CH2CH2OH [Show Less]