Which of these pairs of elements is most likely form covalent bonds?
a) li and br
b) p and s
c) k and f
d) mg and o

What is the most stable monatomic ion formed from nitrogen

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution