Web quiz 2 - A Ne 2 B Ti 2 C Mg 2 D Mg E Ne 2 Question 7 By...

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Question # 1 The formula for calcium bisulfate is A. Ca(SO 4 ) 2 . B. CaS 2 . C. Ca(HSO 4 ) 2 . D. Ca 2 HSO 4 . E. Ca 2 S. Question # 2 Which of the following are incorrectly paired? A. Copper, Co B. Silver, Ag C. Iron, Fe D. Lead, Pb E. Sodium, Na Question # 3 All of the following are true except : A. Ions are formed by adding electrons to a neutral atom. B. Ions are formed by changing the number of protons in an atom's nucleus. C. Ions are formed by removing electrons from a neutral atom. D. An ion has a positive or negative charge. E. Metals tend to form positive ions. Question # 4 40 20 Ca 2+ has A. 20 protons, 20 neutrons, and 18 electrons. B. 22 protons, 20 neutrons, and 20 electrons. C. 20 protons, 22 neutrons, and 18 electrons.
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D. 22 protons, 18 neutrons, and 18 electrons. E. 20 protons, 20 neutrons, and 22 electrons. Question # 5 Which of the following is incorrectly named? A. Pb(NO 3 ) 2 , lead(II) nitrate B. NH 4 ClO 4 , ammonium perchlorate C. PO 4 3- , phosphate ion D. Mg(OH) 2 , magnesium hydroxide E. NO 3 - , nitrite ion Question # 6
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Unformatted text preview: A. Ne 2+ . B. Ti 2+ . C. Mg 2+ . D. Mg. E. Ne 2-. Question # 7 By knowing the number of protons a neutral element has, you should be able to determine A. the number of neutrons in the neutral element. B. the number of electrons in the neutral element. C. the name of the element. D. two of these. E. none of these. Question # 8 What are the formulas of the compounds calcium periodate and potassium nitrite? A. Ca(IO 4 ) 2 , KNO 2 B. Ca(IO 3 ) 2 , KNO 2 C. Ca(IO 4 ) 2 , KNO 3 D. Ca(IO 3 ) 2 , KNO 3 E. CaIO 4 , KNO 3 Question # 9 Which of the following pairs can be used to illustrate the law of multiple proportions? A. SO and SO 2 B. CO and CaCo 3 C. H 2 O and C 12 H 22 O 11 D. H 2 SO 4 and H 2 S E. KCl and KClO 2 Question # 10 What are the formulas of the compounds zinc phosphide and potassium hydrogen phosphate? A. Zn 2 P 3 , K 2 HPO 4 B. Zn 3 P 2 , K 2 HPO 4 C. Zn 2 P 3 , KHPO 4 D. Zn 3 P 2 , KHPO 4 E. Zn 2 P 3 , KH 2 PO 4...
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