the percent by mass of hydrogen in NH3 is equal to which of the following A)1/17x100 B) 3/17x100 c)17/3x100 D)17/1x100

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

Lewis structure and molecular geometry for nh2cl

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride