Naming Covalent Compounds
Writing Molecular Formulas
Identifying VSEPR Shapes
Polarity
General Concepts
100

CO2

carbon dioxide

100

carbon monoxide

CO

100

A molecule with two atoms bonded to the central atom and no lone pairs.

ex: CO2

Linear

100

How attracted an atom is to its electrons

Electronegativity

100

What type(s) of elements are covalent compounds between?

Non-metals

200

CF4

carbon tetrafluoride

200

dihydrogen monoxide

H2O

200

A molecule with two atoms bonded to the central atom AND lone pair(s) on the central atom

Ex: SO2

Bent

200

Is a H ----- O bond nonpolar or polar?

polar
200

What word is used to describe the electrons in a covalent compound?

Shared

300

SF6

sulfur hexafluoride

300

Tricarbon octahydride

C3H8

300

A molecule with four atoms bonded to the central atom

Ex: CH4

Tetrahedral

300

Name one of the four most common electronegative elements that are found in polar bonds.

Nitrogen, Oxygen, Fluorine, Sulfur (NOFS)

300

If two atoms are sharing three pairs of electrons, what type of bond do they have?

Triple

400

K3I3

tripotassium triiodide

400

tetraphosphorus decoxide

P4O10

400

A molecule with three atoms bonded to the central atom and NO lone pairs

Ex: AlF3

Trigonal planar

400

The difference in electronegativity between two of the same element is always...

0 (zero)

400

A covalent compound that is composed of two of the same element is called a...

diatomic or diatomic molecule

500

I4O9

tetraiodine nonoxide

500

diboron silicide

B2Si

500

A molecule with three atoms bonded to the central atom and ONE lone pair

ex: NH3

trigonal pyramidal

500

A bond is considered nonpolar if it has an electronegativity difference of...?

less than/equal to 0.4

500

Which intermolecular force is found between ALL molecules?

London dispersion forces