Give the increasing order of the atomic masses of the following elements (a) Hydrogen (b) Oxygen (c) Helium (d) Carbon
Option: (d)
Match the following elements with their atomic mass.
(i) Magnesium (ii) Carbon (iii) Oxygen (iv) Sulphur
(a) 32 (b) 16 (c) 12 (d) 24
Question 15 Give the formulae of the compounds formed from the following sets of elements
(a) Calcium and fluorine (b) Hydrogen and sulphur (c) Nitrogen and hydrogen (d) Carbon and chlorine (e) Sodium and oxygen (f) Carbon and oxygen