Shared Flashcard Set

Details

Unit 6
Chemical Bonding & Nomenclature
19
Chemistry
10th Grade
12/13/2011

Additional Chemistry Flashcards

 


 

Cards

Term
If the atoms that share electrons have polar bonds, then electrons...

A. are transferred
B. generally have a difference in electronegativities of less than .3
C. are equally shared between atoms
D. are not equally shared between atoms
E. form ionic bonds
Definition
D
Term
Hydrogen bonding would be seen in a sample of which of the following substances?

A. CH4
B. H20
C. H2
D. all of the answer choices
E. CCL4
Definition
B
Term
The pair of elements that forms a bond with the least ionic character is

A. Na and Cl
B. Br and Cl
C. Ga and Cl
D. I and I
E. H and Cl
Definition
D
Term
The Ga-F bond in GaF3 is (electronegativity for Ga is 1.6; for F is 4.0) is

A. metallic
B. nonpolar covalent
C. pure covalent
D. polar covalent
E. ionic
Definition
E
Term
In which of these compounds is the bond between the atoms a polar covalent bond?

A. I2
B. Br2
C. F2
D. S8
E. HF
Definition
E
Term
In a molecule of oxygen gas, the four shared electrons give each oxygen atom __electrons in the outer energy level.

A. 8
B. 32
C. 4
D. 2
E. 18
Definition
A
Term
Which of the following lists of species is in order of increasing boiling point?

A. H2, NH3, N2
B. NH3, H2, N2
C. H2, N2, NH3
D. NH3, N2, H2
E. N2, NH3, H2
Definition
C
Term
Solid NaCl melts at a temperature of 800 degrees Celsius. Which of the following is an explanation for the higher melting point of NaCl?

A. a chlorine ion is larger than a bromine ion
B. a chlorine ion has a lesser negative charge than a bromine ion
C. a chlorine ion has less mass than a bromine ion
D. a chlorine ion is smaller than a bromine ion
E. a chlorine ion has a greater negative charge than a bromine ion
Definition
D
Term
Which of the compounds listed below would require the greatest energy to separate it into ions in the gaseous state?

A. MgO
B. NaCl
C. Na2O
D. Nal
E. MgCl2
Definition
A
Term
Which of the molecules listed below has the largest dipole moment?

A. HCl
B. SO3
C. Cl2
D. NO
E. N2
Definition
A
Term
Otis, the cat, and Mollie, a canine chemistry friend, had a late night discussion about Group 16 elements. An element from Group 16 would most likely form an ionic bond with an element from

A. Group 15
B. Group 18
C. Group 2
D. Group 16
E. Group 17
Definition
C
Term
The Lewis structure for the aluminum ion has

A. 3 valence electrons
B. 13 valence electrons
C. 0 valence electrons
D. 8 valence electrons
E. 5 valence electrons
Definition
D
Term
Multiple covalent bonds may occur in atoms that contain oxygen, nitrogen, or

A. carbon
B. magnesium
C. hydrogen
D. chlorine
E. helium
Definition
A
Term
A liquid whose molecules are held together by which of the following forces would be expected to have the lowest boiling point?

A. ionic bonds
B. London dispersion forces
C. metallic bonds
D. network bonds
E. hydrogen bonds
Definition
B
Term
In metals, the valence electrons

A. are attached to particular positive ions
B. are not involved in the bonding
C. are in an electron sea
D. are immobile
E. form covalent bonds
Definition
C
Term
Which best explains the observation that metals are malleable and ionic crystals are brittle?

A. van der Waals forces
B. their polarity
C. their chemical bonds
D. their London forces
E. their heats of vaporization
Definition
C
Term
The person whose work led to a periodic table based on increasing atomic mass was

A. Seaborg
B. Mosely
C. Rutherford
D. Camnizzaro
E. Mendeleev
Definition
E
Term
What is the correct formula for potassium phosphide?

A. KP
B. P2K
C. K3P
D. KP3
E. K3PO3
Definition
C
Term
Name the compound CuCO3

A. cupric trioxycarbide
B. cuprous carbide
C. copper (II) carbonate
D. Copper (I) carbonate
E. copper cobalt
Definition
C
Supporting users have an ad free experience!