Fundamentals of General Organic And Biological Chemistry 7th Edition John E. McMurry - Test Bank

Fundamentals of General, Organic, and Biological Chemistry, 7e (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

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

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

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

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

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

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

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