What is the empirical formula for a compound which is composed of 31.9 g of Mg and 27.1 g P?

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

Which of the following is not true about the atomic model of substances?

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas