The valency of nitride and magnesium is incorrect
Answer:
1. 24.7g of Br2
2. 19.9g of HCl
Explanation:Please see attachment for explanation
23 would be the answer actually idk I just need to answer some answers
The elements with 1 (hydrogen) and 2 (helium) electrons are both gasses, the element with 3 electrons (Lithium) is not a gas.