chemical bonding
ionic bonds tend to form between a _ and a _.
metal , nonmetal
molecule is another name for a _ compound.
covalent
diatomic elements always come in _
pairs
a binary compound only contains _ compounds.
2
They will contain a _
polyatomic ions
the three types of chemical bonds.
ionic covalent metallic
draw the electron _ for each atom in the formula.
dot diagram
_ can also be diatomic
hydrogen
when writing formulas for covalent compounds , use _ to determine the number of atoms of each element.
prefixes
Write the complete name for the _ element.
first
the more bonds present, the _ the bond is and the _ together the two atoms are.
stronger , closer
If carbon is present, it is always the _ atom
central
the seven diatomic elements
N O F Cl Br I At
In the anion name, the last few letters of the name are changed to _
ide
If you have more than one molecule, use _ in your formula.
parenthesis
ionic bonds are referred to as a _ of electrons.
transfer
They determine whether the the molecule is _ or _.
polar , nonpolar
polyatomic compounds contain_ or more elements.
3
silicon dioxide
SiO2
if the first element is in the transition metals use a
alloys tend to be _ than the elements used to make them.
stronger
only connect
unpaired electrons
polyatomic compounds are considered to be _ compounds.
ionic
carbon monoxide
CO
if it is a single element write the _ to form of the element.
-ide