Which substance will have the greatest increase in temperature when 1.0 kcal of heat is added to it? (Water = 4.18 J/goC Ethylene glycol = 2.20 J/goC Aluminum = 0.900 J/goC )

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

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

Can someone me out on this question for my national 5 chemistry homework