I pick but I'm not sure about it though 1and3
Non-metal atoms gain an electron, or electrons, from another atom to become >negatively charged ions.
Answer:
315.51g/mol
Explanation:
137(33 + (16.00 + 1.01) 2 + 8 [1.01 (2) + 16.00] = 315.51g/mol
Separa los metales de los no metales. Agregame como amiga, saludos.