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April 20, 2014

Homework Help: Chemistry;Check?!

Posted by Victoria on Friday, December 14, 2012 at 12:54pm.

Can you check these?

Strong attractive forces that keep atoms connected together are called _____.

A. valence electrons

B. chemical bonds

C. cations

D. anions

Which of the following is NOT a type of bonding that occurs between atoms?

A. covalent bonding

B. metallic bonding

C. ionic bonding

D. All of these are types of bonding that occurs between atoms
A discrete unit of atoms that are bonded together is a(n) _____.

A. electron

B. anion

C. molecule

D. cation

A covalent bond is a bond between atoms that --

A. are all metals

B. have different electrical charge

C. have a shared pair of electrons

D. All of the above
How many electrons are shared between atoms in a double covalent bond?

A. one

B. two

C. four

D. six
How many electrons are shared between atoms in a triple covalent bond?

A. one

B. two

C. four

D. six
When electrons are shared unequally in a molecule, the result is --

A. an ionic bond

B. a polar covalent bond

C. a non-polar covalent bond

D. no bonding occurs
An atom's ability to draw bonding electrons to itself is called --

A. equal change distribution

B. covalent bonding

C. electronegativity

D. ionic bonding
When an atom in a molecule is more electronegative than the other atoms, this causes --

A. unequal charge distribution

B. the molecule to be non-polar

C. no equal change distribution

D. no polarity in the molecule
Which scientist assigned values for the electronegativity of atoms?

A. Bohr

B. Pauling

C. Einstein

D. Aristotle
Which of the following is the most electronegative atom?

A. hydrogen

B. francium

C. fluorine

D. oxygen
A molecule such as H2, in which equal sharing of electrons occurs, is called _____.

A. non-polar

B. polar

C. a cation

D. ionic
On the periodic table, electronegativity increases --

A. down a group

B. going from the left to the right

C. going from the right to the left

D. going from the top to the bottom

Answers:
B,
C,
C,
C,
C,
D,
B,
C,
A,
B,
C,
A,
B

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