Chemistry Chapter 6 Test

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The amount of energy required to separate a bond.

What is bond energy?

The stronger the bond, the higher the energy

How is bond energy related to bond strength?

equally

Nonpolar molecules share electrons...

unequally

Polar molecules share electrons...

1

Prefix Mono

2

Prefix Di

3

Prefix Tri

4

Prefix Tetra

5

Prefix Penta

6

Prefix Hexa

7

Prefix Hepta

8

Prefix Octa

9

Prefix Nona

10

Prefix Deca

first element

The term mono is not used for the...

1 pair of electrons are shared

What is a single bond?

2 pairs of electrons are shared

What is a double bond?

3 pairs of electrons are shared

What is a triple bond?

An electron pair that is shared among the group of atoms, rather than just 2 atoms.

What is resonance?

to determine the shape of a molecule

What do we use the VSEPR theory for?

linear

What is the shape of an atom with 2 shared e- pairs and 0 unshared e- pairs

triangular planar

What is the shape of an atom with 3 shared e- pairs and 0 unshared e- pairs

tetrahedron

What is the shape of an atom with 4 shared e- pairs and 0 unshared

trigonal pyramidal

3 shared e- pairs and 1 unshared

bent

2 shared e- pairs and 2 unshared

metallic

Shiny, malleable, ductile, conducts electricity

ionic

crystalline, high melting point and boiling point

covalent

low melting point and boiling point

dipole

What is a molecule that has a partial positive charge at one end and a partial negative charge at the opposite end?

nonpolar

.5 and below

polar

1.7 and below

ionic

above 1.7

nonmetals

What do covalent bonds consist of?

subtract their electronegativity

How do you determine polarity for a bond between 2 atoms?

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