Pls help :P
Which 2 letters have the most kinetic energy?

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Identify two types of chemical bonding in the source of dietary potassium

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.