How many valence electrons are in oxygen?

Think about how you can use le chatelier’s principle to find possible solutions to the design problem. describe at least two ways to increase the yield (amount) of ammonia based on this principle.

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

What produces wave a)sound b) heats c)transfer of energy d)vibrations