What are the two Types of Chemical Bonding?
Covalent, and Ionic
If you have the formula CaCl2 what does the "2" represent?
There are 2 chlorine ions
Outer Electrons that are involved in bonding are called what
Valence electrons
NaCl
Sodium Chloride
Sodium Iodide
NaI
What are anions and cations
anion- negative ion
cation- positive ion
When writing an ionic formula, do you write the positive or negative ion first
Positive
If an atom gains an electron the charge is
negative
S2F7
disulfur heptafluoride
Carbon dioxide
CO2
What type of bond transfers electrons
Ionic Bonds
What is the octet rule?
An atom must have 8 valence electrons to be satisfied and stable
Is the bond that forms the compound KCl ionic or covalent
Ionic
MgBr2
Magnesium Bromide
Lithium Nitride
Li3N
What is the symbol for a Magnesium ion?
Mg2+
An ionic bond is between _________ and _________
Metal and a nonmetal
Why do elements in group 18 do not form charges?
Because noble gases have 8 valence electrons and do not need to chemically bond
H2O2
dihydrogen dioxide
Magnesium Phosphate
Mg3(PO4)2
What is a bond formed when atoms share electrons
Covalent Bonds
How would Calcium fulfill the octet rule?
Lose 2 electrons because it has a +2 charge
If Sulfur is directly below Oxygen will they have the same amount of valence electrons? If so, how many?
6
HI
hydrogen moniodide
Hydrogen Nitrate
HNO3