Web quiz 2

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

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
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.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
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 A species with 12 protons and 10 electrons is
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

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...
View Full Document

This note was uploaded on 10/25/2010 for the course CHEM 105ALg taught by Professor Bau during the Spring '07 term at USC.

Page1 / 3

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

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online