MEDIUM
9th CBSE
IMPORTANT
Earn 100

The atomic number and the mass number of certain elements are given below in the table. Element A B C D E F Atomic number 1 3 8 18 20 1 Mass number 2 7 16 40 40 1
Select a pair of isobar and isotope from the above table.

Important Questions on Structure of the Atom
EASY
9th CBSE
IMPORTANT
Element | A | B | C | D | E | F |
---|---|---|---|---|---|---|
Atomic number | ||||||
Mass number |
What would be the valency of elements and .

MEDIUM
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT

MEDIUM
9th CBSE
IMPORTANT
