What is the % by mass of nickel in nickel phosphate (Ni3(PO4)2)?

What is the strongest intermolecular force between an nacl unit and an h2o molecule together in a solution? covalent bonding dipole-dipole force hydrogen bonding ion-dipole force

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Which statement describes james chadwick’s discovery.