Neon
20.1798
powers the sun
fusion
Coefficient for O2 in
2Mg + __O2 = 2 MgO
1
Oxygen and carbon make water and carbon dioxide
combustion
Avagadro's number or 1 mole
Sodium Chloride
58.5
powers atomic bombs and nuclear power plants
fission
Coefficient for HCl in:
__HCl + Mg(OH)2 = 2H2O + MgCl2
2 things join together to make a new compound
Synthesis
Have different numbers of neutrons
Isotope
Carbon Dioxide
44
lots of energy no change in element
gamma radiation
Coefficient for H2 in:
C2H4 + __H2 = C2H6
1
One compound breaks into 2 or more
decomposition
Element with most likely isotope has a mass of 14 amu
nitrogen
CrO2
84
positively charged electron
positron
Coefficient for F2 in:
S8 + __F2 = 8SF6
24
Single replacement
After 1 half life, the amount of a 10 gram radioactive sample remaining
5 grams
Fe3(PO4)2
357.5
particle with two protons and two neutrons
alpha particle
Coefficient for O2 in:
__C2H4 + __O2 = __ H2O + __CO2
3
Two compounds switch partners
double replacement
Button on calculator we use to enter scientific notation
EE