10) Sodium is much more apt to exist as a cation than is chlorine. This is because __________.A) chlorine has a greater ionization energy than sodium doesB) chlorine is bigger than sodiumC) chlorine has a greater electron affinity than sodium doesD) chlorine is a gas and sodium is a solidE) chlorine is more metallic than sodium10)11) Which of the following correctly represents the electron affinity of bromine?A) Br (g) + e- → Br- (g)B) Br+ (g) + e- → Br (g)C) Br2 (g) + 2 e- → 2 Br- (g)D) Br (g) → Br+ (g) + e-E) Br2 (g) + e- → Br- (g)11)12) The alkali metal that is used to treat manic-depressive illness is __________.12)13) The ion with the largest diameter is __________.13)14) Consider the following properties of an element:(i)It is solid at room temperature.(ii)It easily forms an oxide when exposed to air.(iii)When it reacts with water, hydrogen gas evolves.(iv)It must be stored submerged in oil.Which element fits the above description the best?14)2
15) Of the choices below, which gives the order for first ionization energies?A) Kr > Br > Se > Ge > GaB) Ga > Br > Ge > Kr > SeC) Kr > Se > Br > Ga > GeD) Br > Se > Ga > Kr > GeE) Ga > Ge > Se > Br > Kr15)16) In which orbital does an electron in a lead atom experience the greatest effective nuclear charge?16)17) Which one of the following atoms has the largest radius?17)18) __________ is a unique element and does not truly belong to any family.18)19) Which one of the following compounds would produce an acidic solution when dissolved inwater?A) SrOB) CaOC) Na2OD) MgOE) CO219)
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- Fall '18