This solubility curve of compound x is missing the x axis label. what is the most likely label of the x axis? a) pressure b) temperature c) time eliminate d) volume

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~