What is the formula of arsenious sulphide?

3 atoms of magnesium combine with 2 atoms of nitrogen.What will be the weight of magnesium which combines with 1.86g of nitrogen? What material comes from dead organisms? How does a virus infect your body? Who was the last link in the food chain? What happens to anaerobic by-products? Why does ultraviolet radiation from the sun and its role in causing sunburns? How did changes in climate lead to migration in America? What is the chromosome that dictate most body characteristics? What are the main organs involved in CNS? Are All isotope unstable? What do alkali metals have in common? What process is held to balance the chemical equation KCl? What is the latitude and longitude of the petrified forest on a US map? Active and inactive volcanoes in the Philippines? Will walnuts grow into a new plant? What are the countries that have been affected by climate change? Was carbon the first atom created after the big bang theory? What takes place when an igneous rock turns into a sedimentary rock? What organism whose cytochrome c is most like human cytochrome c? What are superheated gases that are constantly moving?