39) Consider one molecule or formula unit of the following compounds. Which one

Question

39) Consider one molecule or formula unit of the following compounds. Which one has the most oxygens (either oxygen atoms or oxide ions)? a. Trinitrogen Octoxide b. Aluminum Sulfate C. Nickel (II) Permanganate d. Lithium Phosphate e. Palladium (II Chlorate 40) Given that the cation can have either a positive two or positive four charge, which formula below is correct for the compound plumbic chloride? a. SnC14 d. SnC12 b PbCl2 e. None of the answers c. PbCl4 (a through d) is correct 41) How many metalloids are found on the periodic table? a. 8 d. None of the answers b. 6 (a through e ) is correct c.7 42) What is the mass, in amu, of one atom of Cr? 43) Consider one formula unit or molecule of the following compounds. Which one has the least number of total atoms or ions? a. Tin (IV) Chloride d. Iron (III) Oxide b. Copper (I) Chloride e. Nitrogen Dioxide C. Calcium Bromide 44) Which of the following statements is true about anions? a. they form from neutral atoms having less than four valence electrons b. they form from neutral nonmetal atoms in groups JA, ITA, and TIJA C. they are smaller than the neutral atoms they form from d. they have a negative charge e. they form when neutral atoms lose electrons f. more than one of the statements above is true about anions 45) A nonpolar molecule cannot contain any polar bonds. . a. True b. False 46) What is the mass, in grams, of one atom of Cs? You MUST SHOW YOUR WORK ON ATTACHED

Explanation / Answer

39) b

40) c

41) d

42) 51.9961 u

43) b

44) f

45) a

46) 2.2069468 × 10^-22 g

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