What is the difference between 2 Cl and Cl2? Which one of these two forms exist in nature? Also, give the atomic mass of this element.
The difference between 2Cl and Cl2:
i. 2Cl indicates the two chloride ions.
ii. Cl2 indicates one chlorine molecule which is formed by combining of two atoms of chlorine.
iii. Cl2 is also known as chlorine gas.
iv. Cl2 form exists in nature. The atomic mass of this element is
(Atomic mass of chlorines × 2) = 35.5 × 2 = 71u