1.2 Review Station– Atoms, Ions, and Isotopes
1. Define the following terms:
a. Atom
b. Ion
c. Isotope
d. Mass Number
e. Atomic Mass
2. Use the following to answer the questions below regarding the isotopic notation.
24
39
Mg2+
a.
b.
c.
d.
Number of protons
Number of neutrons
Number of electrons
Atom, anion, or cation
a.
b.
c.
d.
Number of protons
Number of neutrons
Number of electrons
Atom, anion, or cation
K
30 3-
P
e.
f.
g.
h.
Number of protons
Number of neutrons
Number of electrons
Atom, anion, or cation
3. Explain the difference between an alkali metal ion and a chalogen (oxygen family) ion.
4. Write the isotopic notation for the following particles:
a. Proton
b. Neutron
c. Electron
d. Antimony-125
e. 38 protons, 36 electrons, 50 neutrons