What type of elements form covalent bonds?
Nonmetals
What do dots in a Lewis Structure represent?
Valence electrons
What prefix means one?
Mono-
Write the formula for carbon monoxide.
CO
What is a polar molecule?
A molecule with an uneven distribution of charge
What is shared between atoms in a covalent bonds?
Electrons
How many valence electrons does oxygen have?
6
What is the name is CO2?
Carbon dioxide
Write the formula for sulfur dioxide.
SO2
Is water (H2O) polar or non polar?
Polar
What is a molecule?
Two or more atoms held together by covalent bonds
How many valence electrons does Nitrogen have?
5
What prefix means 7?
Hepta
Write the formula for dinitrogen tetroxide.
N2O4
Is carbon dioxide (CO2) polar or non polar?
Nonpolar
What type of bond shares two pairs of electrons?
Double bond
What rule states that atoms tend to have 8 valence electrons?
Octet rule
What is the name of N2O5?
Dinitrogen pentoxide
Write the formula for phosphorus pentachloride.
PCL5
Which molecule is polar: CO2 or H2O?
H2O
What type of bond shares three pairs of electrons?
Triple bond
What is the Lewis structure used to show?
The arrangement of valence electrons and bonds
What is the name of PCL3?
Phosphorus trichloride
Write the formula for tetraphosphorus decoxide.
P4O10
What shape must a molecule usually have to be non polar?
A symmetrical shape