Phosphorus is ___ molecules.
mono atomic
diatomic
triatomic
polyatomic
Find the number of atoms in C12H22O11
12
22
11
45
How many oxygen atoms are present in 2Na2SO4.
4
2
6
8
The total number of atoms present in 7NH3 molecule is
7
10
21
28
In the reaction, NaOH + H2 SO4 → Na2SO4 +H2O the number of atoms of Hydrogen in reactant side are (after balancing the equation).
1
3
Which one is a polyatomic molecule?
Helium
Oxygen
Sulphur
Argon
Atoms which show the same properties are called as
Molecules
Mixtures
Elements
Compounds
Natrium is the Latin name of
Nitrogen
Ammonia
Sodium
Tin
Balance the equation and find the value of a, b, c in the following equation:a N2 + b H2 → c NH3
1, 2, 3
1, 3, 2
3, 2, 1
3, 1, 2
