EASY
Lower Secondary Stage 9
IMPORTANT
Earn 100

What two particles are found in the nucleus of an atom? 

Important Questions on The Periodic Table

EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 5 - The Periodic Table>End of Chapter Review>Q 4
What word completes this sentence? 
Elements in the same _____ in the Periodic Table share similar properties.
 
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 5 - The Periodic Table>End of Chapter Review>Q 5
Which one of these scientists grouped elements in order to develop a Periodic Table? 
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 5 - The Periodic Table>End of Chapter Review>Q 7
State the group numbers in the Periodic Table described by the following sentence. 
The elements in this group are all unreactive gases. 
 
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 5 - The Periodic Table>End of Chapter Review>Q 7

State the group numbers in the Periodic Table described by the following sentence.

The atoms of elements in this group have seven electrons in their outer shell. 

EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 5 - The Periodic Table>End of Chapter Review>Q 7

State the group numbers in the Periodic Table described by the following sentence. 

The elements in this group get more reactive as you go down the group. 

MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 5 - The Periodic Table>End of Chapter Review>Q 8

Put the letters A-D in the correct order for these models of the atom - earliest first. 

A - Plum pudding model 
B - Atoms as solid spheres 
C - Atoms with electron shells 
D - Rutherford's model

MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 5 - The Periodic Table>End of Chapter Review>Q 9
Name two elements with properties similar to calcium.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 5 - The Periodic Table>End of Chapter Review>Q 10
Explain why an atom has no overall charge.