CHM 1025C: On-Line Practice Final Form B

Module Four

Module 4 Test Masters:

Brett Spann [Test Input]

John Taylor (johtaylo@fscj.edu) [Template Author]

Question 1: The ammonium ion, NH₄⁺,is classified as which of the following?

a) monoatomic cation
b) monoatomic anion
c) polyatomic cation
d) polyatomic anion
e) none of the above

Question 2: What is the IUPAC systematic name for N^3-?

a) ammonium ion
b) nitrogen ion
c) nitride ion
d) nitrite ion
e) nitrate ion

Question 3: What is the IUPAC systematic name for PO₄^3-

a) phosphide ion
b) phosphite ion
c) phosphate ion
d) phosphorus tetroxide ion
e) tetraphosphate ion

Question 4: What is the formula for the ionic compound composed of the gold (III) ion, Au³⁺, and the iodide ion, I^-?

a) AuI
b) Au₃I
c) AuI₃
d) Au₃I₃
e) none of the above

Question 5: What is the formula for the ionic compound composed of the bismuth ion, Bi³⁺, and the sulafate ion, SO₄^2-

a) BiSO₄
b) Bi₂SO₄
c) Bi₂(SO₄)₃
d) Bi₃(SO₄)₂
e) Bi₆(SO₄)₆

Question 6: What is the ionic charge for the cobalt ion in Co₃N₂?

a) zero
b) 2+
c) 2-
d) 3+
e) 3-

Question 7: What is the name of Cu₃N₂according to the latin system of nomenclature?

a) copper nitride
b) copper (III) nitride
c) copper (V) nitride
d) copper (I) nitride
e) copper (II) nitride

Question 8: What is the name of Na₂CO₃according to IUPAC nomenclature?

a) sodium carbonate
b) sodium tricarbonate
c) sodium carbon trioxide
d) disodium tricarbonate
e) disodium carbonate

Question 9: What is the formula for laughing gas, dinitrogen oxide?

a) NO
b) N₂O₂
c) N₂O
d) NO₂
e) N₂O₁₀

Question 10: What is the formula for hydroselenic acid?

a) HSe(aq)
b) H₂Se (aq)
c) HSeO₂(aq)
d) H₂SeO₃(aq)
e) H₂SeO₄(aq)

Question 11: What is the formula for sulfuric acid?

a) H₂S(aq)
b) HSO₃(aq)
c) HSO₄(aq)
d) H₂SO₃(aq)
e) H₂SO₄(aq)

Question 12: Which of the following acids is systematically named according to the general rule: nonmetal stem + ous acid?

a) HCLO₂(aq)
b) HNO₂aq)
c) H₂SO₃(aq)
d) H₃PO₃(aq)
e) all of the above

Question 13: Draw the electron dot formula for ammonia, NH₃. How many pairs of nonbonding electrons are there in one molecule of ammonia?

a) 1
b) 2
c) 3
d) 6
e) 8

Question 14: Draw the electron dot formula for nitrogen, N₂, and state the type of bonds in one molecule.

a) 1 single bond
b) 1 double bond
c) 1 triple bond
d) 2 single bonds
e) 3 single bonds

Question 15: Draw the electron dot formula for hydrogen cyanide, HCN, and state the type of bonds in one molecule.

a) 2 single bonds
b) 2 double bonds
c) 1 single bond and 1 double bond
d) 1 single bond and 1 triple bond
e) 1 double bond and 1 triple bond

Question 16: According to the general trends in the periodic table, which of the following elements is the most electronegative?

a) C
b) N
c) F
d) O
e) P

Question 17: Draw the el;ectron dot formula for the hydroxide ion, OH^-. How many pairs of nonbonding electrons are there in a hydroxide ion?

a) 1
b) 2
c) 3
d) 4
e) 8

Question 18: What is the term for a bond where an electon pair is shared but both electrons have donated by one atom?

a) ionic bond
b) nonpolar covalent bond
c) polar covalent bond
d) coordinate covalent bond
e) none of the above

Question 19: According to the octet rule, each atom in a compound must have how many valence electrons in order to be stable?

a) 1
b) 2
c) 4
d) 8
e) varies for each atom

Question 20: What is the total number of shared electrons in a single bond?

a) 1
b) 2
c) 4
d) 8
e) none of the above

When you have completed this quiz, press the ALL DONE-CHECK TEST button below to check the test! Then you may go back and change the incorrect answers before you submit the test. You may check the answers as many times as you need until you achieve a perfect grade. Sometimes the pop-up box does not appear when you click on the button after checking the test the first time. If this happens, minimize the test and the answer box will be behind the browser. close the box and maximize the test to continue checking the test and finally submitting it.

When you have finished checking the test, press the SUBMIT button to send answers to your instructor

Click again on "All Done-Check Test" button, when the window pops up, go to the menubar of the popup window and click on "Edit". Click on "Select All". click "Copy", which copies the entire contents of the popup window to the clipboard. "Paste" the contents into an email and submit to your instructor!

Caution: Click reset to clear all answers

Users who experience problems submitting a quiz, or who experience a JavaScript error in the grading box, or whose browser does not support JavaScript, use this button as an emergency submit to send answers to your instructor. Then send an email to the instructor describing the problem.