Which answer correctly describes the difference between covalent and ionic bonds?
a.
ionic: transfer of protons
covalent: transfer of electrons
b.
ionic: transfer of electrons
covalent: transfer of protons
c.
ionic: sharing of electrons
covalent: transfer of electrons
d.
ionic: transfer of electrons
covalent: sharing of electrons

Calculate the number of molecules present in 0.750 mol of mgo.

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

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