IONIC BOND REVIEW
Which set of chemical names and formulas for the same compound is correct? a. Iron(II) Oxide, Fe2O3 b. Aluminum flourate, AlF3 c. Tin(IV) bromide, SnBr4 d. Potassium chloride, K2Cl2
Which of the following groupings contains only representative elements? Cu, Co, Cd Al, Mg, Li Ni, Fe, Zn Hg, Cr, Ag
What is the charge of a cation? Positive negative No charge it depends on the size of the atom
Which is true about ions? A. Cations form when atoms gain electrons B. cations form when an atom loses electrons C. Anions form when an atom gains protons D. Anions form when an atom loses protons
Which of the following sets are the charges given correctly for all ions? Na+, Mg+, Al+ b. K+, Sr2+, O2- Rb-, Ba2-, P3+ N-, O2-, F3-
What is the name given to the electrons in the highest occupied energy level of an atom? Orbital electrons Valence electrons Anions Cations
How does Chlorine obey the octet rule when reacting to form cations? It gains an electron It gives up electrons It does not change the number of electrons It does not obey the octet rule
What is the formula unit for Aluminum Oxide? AlO Al3O AlO3 Al2O3
What is the formula for Potassium sulfide? KS K2S KS2 K2S2
Which of the following compounds has the formula KNO3? Potassium Nitrate Potassium Nitride Potassium Nitrite Potassium Nitrogen Oxide
What is true about the melting temperature of sodium chloride? The melting temperature is relatively high The melting temperature is variable and unpredictable The melting temperature is relatively low Sodium chloride does not melt
Under what conditions can ionic compounds such as potassium bromide conduct electricity? Only when melted Only when dissolved Only when in it’s crystal form Only when melted or dissolved
What type of ions end in –ide? Only cations Only anions Only metal ions Only gaseous ions
When group 1A elements form ions, they Lose two protons Lose one proton Gain two electrons lose one electron
Which of the following is NOT a cation? Iron(III) ion Sulfate Ca2+ Mercurous ion
What is the correct name for P3-? Phosphate ion Phosphorus Phosphide ion
When naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by a Prefix Suffix Roman numeral following name Superscripts after the name
An –ate or –ite at the end of a compound name usually indicated that the compound contains Fewer electrons than protons Neutral molecules Only two elements A polyatomic ion
Which of the following compounds contains the Mn3+ ion? MnS MnBr2 Mn2O3 MnO
How are chemical formulas of binary ionic compounds generally written? Cation of left, anion on right Anion on left, cation on right Roman numeral first, then anion, then cation Subscripts first, then ions
Which of the following forms an ionic bond? CS2 BaI2 N2O4 PCl3
Which of the following compounds contain the lead(II) ion? PbO PbCl4 Pb2S
Which is the correct formula for potassium sulfite? KHSO3 KHSO4 K2SO3 K2SO4
How do you find the number of valence electrons for the representative (group A) elements? It corresponds to the period number It corresponds to the family/group number It is the same as the atomic number It is the same as the atomic mass