1) When a neutral atom gains or loses one or more electrons, it becomes an electrically charged particle called _________. a) atom b) ion c) molecule d) compound 2) What type of compound resulted from an attraction between a cation and an anion? a) covalent compound b) ionic compound c) covalent bond d) ionic bond 3) What element is added to halogens in order to form four different polyatomic ions? a) hydrogen b) water c) oxygen d) helium 4) What element is added to nonmetals in order to form polyatomic ions? a) oxygen b) hydrogen c) water d) helium 5) Elements that belong to Group 1A can give off one electron only. What is the charge produced by these elements? a) 1+ b) 1- c) 2+ d) 2- 6) Which of the following is a Magnesium ion? a) Mg1+ b) Mg 1- c) Mg 2+ d) Mg 2- 7) What is the name of the nonmetal with a symbol of Cl- ? a) chlorine b) chlorite c) chlorate d) chloride 8) What is the chemical formula of compound Sodium bromide? a) NaBr b) Na2Br c) NaBr2 d) NaBr3 9) Which of the following is the correct formula of the compound Magnesium nitride? a) Mg2+ + N2- ----> Mg2N2 b) Mg2+ + N2- ----> MgN c) Mg3+ + N2- ----> Mg2N3 d) Mg2+ + N3- ----> Mg3N2 10) What is the chemical formula of the compound Magnesium sulfate heptahydrate? a) MgSO4 . 7H2O b) MgSO3 . 7H2O c) MgSO4 . 6H2O d) MgSO3 . 6H2O 11) Give the name of the compound CuClO3 a) Copper(I) chlorate b) Copper (II) chlorate c) Copper (I) chlorite d) Copper (II) chlorite 12) Name the compound CCl4 a) Carbon chloride b) Carbon dichloride c) Carbon trichloride d) Carbon tetrachloride 13) The Classical name of Fe(OH)2 is Ferrous hydroxide a) TRUE b) FALSE 14) The stock name of the compound PbO is Plumbous oxide a) TRUE b) FALSE 15) What is the name of the acid when a ternary acid nitrite (NO2- )is added with water? a) Nitrite acid b) Nitrous acid c) Nitrate acid d) Nitric acid 16) What the chemical formula of the compound Nitric acid? a) HNO3 b) NO3 c) NOO3 d) HNOO3 17) What the name of the ionic compound Su(OH)4? a) Tin(IV) hydroxide b) Tin hydoxide c) Tin (IV) tetraoxide d) Tin tetraoxide 18) What is the classical name of As2O5? a) Arsenic(V) oxide b) Arsenic (V) pentoxide c) Arsenic oxide d) Arsenic dioxide 19) What is the Classical name of As2O5? a) Arsenic oxide b) Arsenic pentoxide c) Arsenic (V) oxide d) Arsenic (V) pentoxide 20) What is the Classical name of Sn(NO3)2? a) Stannous nitrate b) Tin(II) nitrate c) Stannous nitrite d) Tin (II) nitrite

Ions and Molecules

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