MEDIUM
10th ICSE
IMPORTANT
Earn 100

Correct the statement:

Element in the same period have same valency.

Important Questions on Periodic Table, Periodic Properties and Variations of Properties

EASY
10th ICSE
IMPORTANT

Correct the statement:

Valency depends on the number of shells in an atom.

EASY
10th ICSE
IMPORTANT

Correct the statement:

Copper and zinc are representative elements.

MEDIUM
10th ICSE
IMPORTANT

Correct the statement:

Transition elements are placed at extreme right of the periodic table.

EASY
10th ICSE
IMPORTANT
Name two elements that you would expect to show chemical reactions similar to calcium. What is the basis of your choice?
MEDIUM
10th ICSE
IMPORTANT
Fluorine, chlorine and Bromine are put in one group on the basis of their similar properties. What are those similar properties ?