c.
d.
Answer: a
Learning objective 1.3 - describe the structure of the atom.
32. The atom,
, has the same number of neutrons as: a.
b.
c.
*d.
Answer: d
Learning objective 1.3 - describe the structure of the atom.
33. Consider the atoms of
and 
. Both of these atoms have the same:a. number of electrons.
b. mass number.
c. number of protons.
*d. number of neutrons.
Answer: d
Learning objective 1.3 - describe the structure of the atom.
34. Compare
and 
. In what respect do these atoms differ? a. Number of electrons and number of protons
b. Number of neutrons and number of protons
*c. Mass number and number of protons
d. Mass number and number of electrons
Answer: c
Learning objective 1.3 - describe the structure of the atom.
35. Consider the atoms of 59Co and 60Co. Both of these atoms have the same:
a. number of electrons.
b. mass number.
c. number of neutrons.
*d. number of protons.
Answer: d
Learning objective 1.3 - describe the structure of the atom.
36. Consider the atoms of 65Cu and 65Zn. Both of these atoms have the same:
a. number of electrons.
*b. mass number.
c. number of neutrons.
d. number of protons.
Answer: b
Learning objective 1.3 - describe the structure of the atom.
37. A neutral iodine atom has an mass number of 131. Which description below fits this atoms?
*a. 53 protons, 78 neutrons, 53 electrons
b. 39 protons, 78 neutrons, 39 electrons
c. 53 protons, 131 neutrons, 53 electrons
d. 53 protons, 131, neutrons, 78 electrons
Answer: a
Learning objective 1.3 - describe the structure of the atom.
38. Which description below fits the
ion? a. 29 protons, 65 neutrons, 29 electrons
*b. 29 protons, 36 neutrons, 27 electrons
c. 31 protons, 34 neutrons, 29 electrons
d. 29 protons, 36, neutrons, 34 electrons
Answer: b
Learning objective 1.3 - describe the structure of the atom.
39. Which description below fits the
ion? a. 48 protons, 64 neutrons, 48 electrons
b. 48 protons, 62 neutrons, 48 electrons
*c. 48 protons, 64 neutrons, 46 electrons
d. 50 protons, 64, neutrons, 48 electrons
Answer: c
Learning objective 1.3 - describe the structure of the atom.
40. The discovery of the electron is credited to:
a. James Chadwick.
b. Hans Geiger.
c. Ernest Rutherford.
*d. J.J Thomson.
Answer: d
Learning objective 1.3 - describe the structure of the atom.