Question

1. determine whether each statement is something that stays the same or changes in an isotope/ion

a. in two isotopes, the number of protons are the... same different
b. in two isotopes, the number of neutrons are the... same different
c. in two isotopes, the atomic number is the... same different
d. in two isotopes, the atomic mass is the... same different
e. in two ions, the number of protons are the... same different
f. in two ions, the number of neutrons are the... same different
g. in two ions, the atomic number is the... same different
h. in two ions, the atomic mass is the... same different

Explanation:

Step1: Recall isotope definition

Isotopes of an element have same protons, different neutrons.

Step2: Recall ion concept

Ions are formed by electron - gain or loss, protons and neutrons can be same or different.

Answer:

a. SAME
b. DIFFERENT
c. SAME
d. DIFFERENT
e. SAME
f. SAME or DIFFERENT
g. SAME
h. SAME or DIFFERENT