___ 7. Mendeleev's table of the elements was ___ 11. Given the unbalanced equation: organized by  __ Al4C3 + __ H2O __ CH4 + __ Al(OH)3 A) relative atomic masses Which list gives the correct B) each element's capacity to combine coefficients to balance the equation? with carbon C) atomic numbers A) 1, 12, 3, 4 D) the elements' phases—solid, liquid, or B) 3, 12, 1, 4 gas C) 2, 6, 3, 4 D) 12, 1, 4, 3 ___ 8. Which of these is a physical change? ___ 12. Calculate the molar mass of the A) evaporation compound Ca3(PO4)2. Show your B) oxidation work. C) combustion D) substitution ___ 13. The modern periodic law classifies ___ 9. Which symbol represents a elements according to: metalloid? A) boiling points A) Si B) melting points B) Br C) atomic masses C) Na D) atomic numbers D) Al E) Kr ___ 14. Given the ionic equation: ___ 10. Which part of our planet is the  Mg + Cu2+ Cu + Mg2+ major “supply house” of the raw materials for manufactured goods? Which particle is reduced? A) hydrosphere A) Cu2+ ion B) thermosphere B) Cu atom C) lithosphere C) Mg2+ ion D) atmosphere D) Mg atom
___ 7. Mendeleev's table of the elements was organized by A) relative atomic masses B) each element's capacity to combine with carbon C) atomic numbers D) the elements' phases—solid, liquid, or gas ___ 8. Which of these is a physical change? A) evaporation B) oxidation C) combustion D) substitution ___ 9. Which symbol represents a metalloid? A) Si B) Br C) Na D) Al E) Kr ___ 10. Which part of our planet is the major “supply house” of the raw materials for manufactured goods? A) hydrosphere B) thermosphere C) lithosphere D) atmosphere ___ 11. Given the unbalanced equation: __ Al4C3 + __ H2O  __ CH4 + __ Al(OH)3 Which list gives the correct coefficients to balance the equation? A) 1, 12, 3, 4 B) 3, 12, 1, 4 C) 2, 6, 3, 4 D) 12, 1, 4, 3 ___ 12. Calculate the molar mass of the compound Ca3(PO4)2. Show your work. ___ 13. The modern periodic law classifies elements according to: A) boiling points B) melting points C) atomic masses D) atomic numbers ___ 14. Given the ionic equation: Mg + Cu2+  Cu + Mg2+ Which particle is reduced? A) Cu2+ ion B) Cu atom C) Mg2+ ion D) Mg atom