Student Name:__________________________________________________
Homework Assignment #5
1. Identify the group number(s) of the following families on the periodic table.
a. Halogens
c. Alkali metals
e. Alkaline earth metals
b. Noble gases
d. Transition metals
2. On the following list of elements, circle the symbols of the transition elements and
underline the symbols of the halogens:
Ca Ag Cl Fe Ni Br Cu F Na
3. Complete the following table by checking the appropriate box for each subatomic
particle.
Subatomic
Particles
Charge
Positive
Negative
Neutral
Where Found
Inside
Outside
Nucleus
Nucleus
Proton
Electron
Neutron
4. Complete the following table of neutral atoms:
Element
Atomic
Number
Proton
Electron
Iron
Neutron
Mass
Number
30
13
19
27
20
Bromine
80
Gold
197
5. Complete the following table of neutral atoms of isotpes:
Element
90
Atomic
Number
Proton
Electron
Mass
Number
22
27
38Sr
20
22
Neutron
10Ne
34
50
82
76
6. Answer the question or complete the following statements about the Periodic Table.
a. Group I metals are called
b. Elements in the middle of the periodic table
c. The sum of the protons and neutrons
d. Malleable is a property of a
e. The vertical columns are called families or
f. The elements are arranged by atomic
g. Calcium is a(n) _______ metal.
h. A ___ has properties of both metals and nonmetals