Answer: 53.25
Explanation: Please see attachment for explanation. Thanks.!
Answer:
2AlCl3 + Ca3N2 - 2AlN+ 3CaCl2
Answer: If you think about it, B. would be the most reasonable answer with the given factors.
Answer:
Sodium has 11 protons and Magnesium has 12. The way that the periodic table is set up doesn't allow for any elements to be in between. The element would have to have 11.5 protons, which is impossible