How many elements do all the “s” orbital span (go across) in each period? a) 2
b) 6
c) 10
d) 14

4nh3+5o2--> 4no+6h20what is the total number of moles of h2o produced when 12 mole of nh3 is completely consumed?

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

What is a property of a double replacement reaction