Name: ______________________________________________
Period: ____
Reading the Periodic Table
For each of the following elements identify the atomic number, atomic mass, atomic symbol, number of protons,
number of neutrons, and number of electrons:
1
1) Hydrogen
a. Atomic number:
d. # of Protons:
b. Atomic mass:
e. # of Neutrons:
c. Atomic symbol:
f.
# of Electrons:
H
1.00794
6
2) Carbon
a. Atomic number:
d. # of Protons:
b. Atomic mass:
e. # of Neutrons:
c. Atomic symbol:
f.
# of Electrons:
C
12.0107
3) Calcium
20
a. Atomic number:
d. # of Protons:
b. Atomic mass:
e. # of Neutrons:
c. Atomic symbol:
f.
# of Electrons:
Ca
40.078
4) Silicon
14
a. Atomic number:
d. # of Protons:
b. Atomic mass:
e. # of Neutrons:
c. Atomic symbol:
f.
# of Electrons:
Si
28.0855
79
5) Gold
a. Atomic number:
d. # of Protons:
b. Atomic mass:
e. # of Neutrons:
c. Atomic symbol:
f.
# of Electrons:
Au
196.56655
30
6) Zinc
a. Atomic number:
d. # of Protons:
b. Atomic mass:
e. # of Neutrons:
c. Atomic symbol:
f.
Zn
# of Electrons:
65.39
26
7) Iron
a. Atomic number:
d. # of Protons:
b. Atomic mass:
e. # of Neutrons:
c. Atomic symbol:
f.
# of Electrons:
Fe
55.845
8) Krypton
36
a. Atomic number:
d. # of Protons:
b. Atomic mass:
e. # of Neutrons:
c. Atomic symbol:
f.
# of Electrons:
Kr
83.80
9) Iodine
53
a. Atomic number:
d. # of Protons:
b. Atomic mass:
e. # of Neutrons:
c. Atomic symbol:
f.
# of Electrons:
I
126.90447
10) Uranium
a. Atomic number:
d. # of Protons:
b. Atomic mass:
e. # of Neutrons:
c. Atomic symbol:
f.
# of Electrons:
92
U
238.0289