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CHAPTER 4: Chemical patterns

Worksheet 4.1

Periodic table
Student:................................................................................................................... Class:.................................................

Classifying the elements


1. Elements can be classified into groups called metals, non-metals and semi-metals (or metalloids).
The following diagram illustrates the first four periods of the periodic table. Classify the elements
labelled A–F as metals, non-metals or metalloids.

A B

D E F

A: .........................................................................
B: .........................................................................
C: .........................................................................
D: .........................................................................
E: .........................................................................
F: .........................................................................

Family members
2. The following 12 elements belong to four different groups of the periodic table.

potassium, neon, sulfur, fluorine, tellurium, argon, lithium, oxygen, iodine, rubidium, helium,
bromine

Sort these elements into their correct groups. In each column arrange the group members in order of
increasing atomic weight.

© John Wiley & Sons Australia, Ltd


CHAPTER 4: Chemical patterns

Worksheet 4.1

Page 2

Something in common
3. For each set of elements, state one characteristic that they have in common.

Set A

..............................................................................................................................................................
..............................................................................................................................................................

Set B

..............................................................................................................................................................
..............................................................................................................................................................

Set C

..............................................................................................................................................................
..............................................................................................................................................................

Set D

..............................................................................................................................................................
..............................................................................................................................................................

© John Wiley & Sons Australia, Ltd

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