Chemistry: The Central Science - Test Bank by Random People

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A) 31P B) 34 S2C) 36 Cl D) 80 Br E) 16 O Answer: B Diff: 1 Page Ref: Sec. 7 153) The species __________ contains 16 neutrons. A) 31P B) 34 S2C) 36 Cl D) 80 Br E) 16 O Answer: A Diff: 1 Page Ref: Sec. 7 30 154) Which species is an isotope of A) 40 Ar + B) 34 S2C) 36 ClD) 80 Br E) 39 Ar Answer: C Diff: 1 Page Ref: Sec. 7 39 Cl ? 155) Which one of the following species has as many electrons as it has neutrons? A) 1 H B) 40 Ca 2+ C) 14 C D) 19 FE) 14 C2+ Answer: D Diff: 2 Page Ref: Sec. 7 Guru 156) There are __________ protons, __________ neutrons, and __________ electrons in A) 131, 53, and 54 B) 131, 53, and 52 C) 53, 78, and 54 D) 53, 131, and 52 E) 78, 53, and 72 Answer: C Diff: 2 Page Ref: Sec.

8 172) Which one of the following polyatomic ions has the same charge as the hydroxide ion? A) ammonium B) carbonate C) nitrate D) sulfate E) phosphate Answer: C Diff: 1 Page Ref: Sec. 8 173) Which element forms an ion with the same charge as the ammonium ion? A) potassium B) chlorine C) calcium D) oxygen E) nitrogen Answer: A Diff: 1 Page Ref: Sec. 8 174) When a fluorine atom forms the fluoride ion, it has the same charge as the __________ ion. A) sulfide B) ammonium C) nitrate D) phosphate E) sulfite Answer: C Diff: 1 Page Ref: Sec.

8 58) The correct formula for molybdenum(IV) hypochlorite is __________. A) Mo(ClO3 ) 4 B) Mo(ClO) 4 C) Mo(ClO 2 )4 D) Mo(ClO 4 )4 E) MoCl4 Answer: B Diff: 2 Page Ref: Sec. 8 Guru 59) The name of PCl3 is __________. A) potassium chloride B) phosphorus trichloride C) phosphorous(III) chloride D) monophosphorous trichloride E) trichloro potassium Answer: B Diff: 1 Page Ref: Sec. 8 60) The ions Ca 2+ and PO 43- form a salt with the formula __________. A) CaPO 4 B) Ca 2 (PO 4 )3 C) Ca 2 PO 4 D) Ca(PO 4 ) 2 E) Ca 3 (PO 4 ) 2 Answer: E Diff: 1 Page Ref: Sec.

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