How many hydrogen atoms are in the following molecule of ammonium sulfide? (nh4)2s
a. 2
b. 4
c. 8
d. 16

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action