How cold is liquid nitrogen? Which substance dissolves gold? Why is arsenic used in computers? Find out the answers to these and other fascinating questions in 'Nitrogen and the Elements of Group 15'. This book explores how nitrogen, a colorless, unreactive gas, is vital for every living thing and is an important part of chemicals such as ammonia and nitric acid, that are so useful in our everyday lives. Phosphorus, arsenic, antimony, and bismuth...