EASY
10th CBSE
IMPORTANT
Earn 100

Chlorine is an element in period 3 of the Periodic Table. Bromine is found in period 4 of the Periodic Table. These two elements may be from different periods of the periodic table, but they have many similar properties.

Element Molecular formula Number of valence electrons
Chlorine    
Bromine    

Complete the given table.

Important Questions on Periodic Classification Of Elements

EASY
10th CBSE
IMPORTANT

Chlorine is an element in period 3 of the Periodic Table. Bromine is found in period 4 of the Periodic Table. These two elements may be from different periods of the periodic table, but they have many similar properties. Explain why the properties of chlorine and bromine closely resemble one another.

EASY
10th CBSE
IMPORTANT

Chlorine is an element in period 3 of the Periodic Table. Bromine is found in period 4 of the Periodic Table. These two elements may be from different periods of the periodic table, but they have many similar properties. Lithium is an element from Group I of the Periodic Table. Write the formula of the compound formed between lithium and chlorine.

EASY
10th CBSE
IMPORTANT

Chlorine is an element in period 3 of the Periodic Table. Bromine is found in period 4 of the Periodic Table. These two elements may be from different periods of the periodic table, but they have many similar properties. Lithium is an element from Group I of the Periodic Table. Write the formula of the compound formed between lithium and bromine.

EASY
10th CBSE
IMPORTANT

Chlorine is an element in period 3 of the Periodic Table. Bromine is found in period 4 of the Periodic Table. These two elements may be from different periods of the periodic table, but they have many similar properties. Lithium is an element from Group I of the Periodic Table. What type of bonding is found in lithium chloride and lithium bromide? Give reason

EASY
10th CBSE
IMPORTANT
Why atomic size increases on going down the group? Arrange the following in decreasing order of their atomic size- Na, Li, Rb, Cs, K.
EASY
10th CBSE
IMPORTANT
Potassium, bromine and krypton are elements in period 4 of the Periodic Table. In which group of the periodic table Potassium can be found?
EASY
10th CBSE
IMPORTANT
Potassium, bromine and krypton are elements in a period 4 of the Periodic Table. In which group of the periodic table Bromine can be found?
EASY
10th CBSE
IMPORTANT
Potassium, bromine and krypton are elements in period 4 of the Periodic Table. In which group of the periodic table Krypton can be found?