C2 Topic 2

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Lead bromide is a salt. This salt contains lead ions, Pb2+, and bromide ions, Br-. What is the formula of lead bromide

  • A. Pb2Br
  • B. PbBr
  • C. PbBr2
  • D. Pb2Br

A chlorine atom, Cl, forms a chloride ion, Cl-, by

  • A. Losing an electron
  • B. Losing a proton
  • C. Gaining an electron
  • D. Gaining a proton