Fundamentals of General Organic And Biological Chemistry 8th Edition By McMurray Peterson - Test Bank

Fundamentals of General, Organic, and Biological Chemistry, 8e (McMurry)

Chapter 2   Atoms and the Periodic Table

1) The smallest amount of an element that retains that element's characteristics is the

A) atom.

B) electron.

C) molecule.

D) neutron.

E) proton.

Answer:  A

Diff: 1

Section:  2.1

LO:  2.1

Global LO:  G2

2) Another name for atomic mass unit (amu) is the

A) avogadro.

B) dalton.

C) Kekule

D) kelvin.

E) mendeleev.

Answer:  B

Diff: 1

Section:  2.1

LO:  2.1

Global LO:  G2

3) Which characteristics correctly describe a proton?

A) approximate mass 1 amu; charge +1; inside nucleus

B) approximate mass 5 × 10-4 amu; charge -1; outside nucleus

C) approximate mass 5 × 10-4 amu; charge +1; inside nucleus

D) approximate mass 1 amu; charge 0; inside nucleus

E) approximate mass 1 amu; charge +1; outside nucleus

Answer:  A

Diff: 1

Section:  2.1

LO:  2.2

Global LO:  G2

4) Which particle has a mass approximately equal to the mass of a proton?

A) atom

B) electron

C) neutron

D) nucleus

E) quark

Answer:  C

Diff: 1

Section:  2.1

LO:  2.2

Global LO:  G2

5) Protons possess a ________ charge, and neutrons possess a ________ charge.

A) negative; negative

B) negative; positive

C) positive; negative

D) positive; zero

E) zero; positive

Answer:  D

Diff: 1

Section:  2.1

LO:  2.2

Global LO:  G2

6) Protons possess a ________ charge, and electrons possess a ________ charge.

A) negative; negative

B) negative; positive

C) positive; negative

D) positive; zero

E) zero; positive

Answer:  C

Diff: 1

Section:  2.1

LO:  2.2

Global LO:  G2

7) Which characteristics correctly describe a neutron?

A) approximate mass 1 amu; charge +1; inside nucleus

B) approximate mass 1 amu; charge -1; inside nucleus

C) approximate mass 1 amu; charge 0; inside nucleus

D) approximate mass 5 × 10-4 amu; charge 0; inside nucleus

E) approximate mass 5 × 10-4 amu; charge -1; outside nucleus

Answer:  C

Diff: 1

Section:  2.1

LO:  2.2

Global LO:  G2, G4

8) Which characteristics correctly describe an electron?

A) approximate mass 1 amu; charge +1; inside nucleus

B) approximate mass 1 amu; charge -1; inside nucleus

C) approximate mass 1 amu; charge 0; inside nucleus

D) approximate mass 5 × 10-4 amu; charge 0; inside nucleus

E) approximate mass 5 × 10-4 amu; charge -1; outside nucleus

Answer:  E

Diff: 1

Section:  2.1

LO:  2.2

Global LO:  G2, G4

9) In a neutral atom the number of ________ is equal to the number of ________.

A) protons; electrons

B) protons; neutrons

C) neutrons; electrons

D) protons + electrons; neutrons

E) none of the above

Answer:  A