Question

Which of the following are molecules? A. Al B. Ag C. MgCl2 D. NaCl E. C3H8

Answer 1

Answer: The correct options are (C)(D) and (E).

Explanation:

Molecules is defined as group of two or more numbers of atoms of same or different elements. For example:$S_8, H_2O, NH_3$ etc.

$MgCl_2$ is a molecule made up of one magnesium and two chlorine atoms.

NaCl is molecule made up of one sodium and one chlorine atom

$C_3H_8$ is molecule made up of three carbon atoms and eight hydrogen atoms.

Hence, the correct options are (C)(D) and (E).