10 questions
Symbol for Sodium
S
Sa
Na
N
What is the atomic number of Nitrogen
3
5
7
9
Mass number of Carbon
3
6
10
12
Atomic number of calcium
5
10
15
20
Identify the symbol of the element shown in the figure.
Fe
Cu
Al
Ag
Element present in common salt
Na
S
Fe
H
Identify the non metal present in Carbondioxide
S
Ca
C
Mg
Element with atomic number 10
He
Na
Ne
S
Metal needed for strong bones
Mg
Fe
Ca
P
A soft metal
K
Ca
Mg
S