Balancing Equations
C + S8 ------> CS2
4C + S8 ------> 4CS2
Molecule
Consists of two or more atoms joined by chemical bonds
The component of a solution that is present in the lesser amount (It dissolves into the solution)
Solute
3 ft ---> in
36 in
How old will I be in 2074?
74
Na + O2 -----> Na2O
4Na + O2 -----> 2Na2O
Anion
A negatively charged atom with more electrons than protons
A negatively charged subatomic particle with a mass 1 thousandth less than an atom
Electron
5000g ---> kg
1 kg = 1000g
5 kg
How many elements on the periodic table?
118
AgNO3 + HCl -----> AgCl + HNO3
AgNO3 + HCl -----> AgCl + HNO3
Solvent
The component of a solution that exists in the greatest amount
A positively charged atom with more protons than electrons
Cation
22 in ---> cm
1 in = 2.54 cm
55.88 cm
How many hockey players on the ice during a game?
12
C + SO2 -----> CS2 + CO
5C + 2SO2 -----> CS2 + 4CO
Mass Percentage
The ratio of the solute's mass to the solution's mass, expressed as a percent
the ration of the mass of a sample to its volume
Density
5 weeks ---> seconds
3,024,000 seconds
What is the most reactive element?
Flourine
C2H6 + O2 -----> CO2 + H2O
2C2H6 + 7O2 -----> 4CO2 + 6H2O
Spectator Ions
Ions whose presence is required to balance charges but does not chemically or physically change from the reaction
Compounds with the same chemical formulas but different molecular structures
Isomers
360000 mL --> kL
1000 mL= 1 L
1 kL = 1000 L
0.36 kL
Why is the sky blue?
The scattering of high energy light partucles