Name: _______________________________________ Block: _________
Chapter 5 activity: Periodic Table
Objective: To identify information obtained from the periodic table.
Materials: Periodic table, writing instrument and calculator.
PART 1
Procedure: Answer the following questions by referring to the periodic table.
1. Name the five (5) family members included with beryllium. What do they have in common?
2. Are potassium, iron, and zinc in the same family or the same period? What do they have in
common?
3. Are lithium, magnesium, scandium, zirconium, and tantalum in the same family or period?
What do they have in common?
4. Which element of the following is not a member of this family?
Oxygen, polonium, sulfur, antimony, tellurium, selenium.
PART 2
Procedure: It is possible by using information about each element supplied by a periodic table to
determine the number of electrons, neutrons, and protons of a given atom. To
review, here are a few simple rules:
1. Number of protons is the same as the atomic number.
2. Number of electrons equals the number of protons.
3. Atomic mass is the number of protons plus the number of neutrons.
Given the information above, fill in the blanks below.
Atomic
Atomic
Element
Number
Protons
Neutrons
Electrons
Mass
_______
_______
_______
_______
8
16
Iron
_______
26
_______
_______
56
Uranium
_______
_______
146
92
_______
Silicon
_______
_______
14
_______
28
_______
20
_______
_______
_______
40
_______
_______
_______
_______
_______
4
_______
11
_______
_______
_______
_______
Hydrogen
_______
_______
_______
_______
1
_______
_______
7
_______
_______
_______
Potassium
_______
_______
_______
_______
_______
Copper
_______
_______
_______
_______
64
_______
82
_______
_______
_______
_______
_______
_______
_______
_______
30
_______