This is the smallest subatomic particle.
What is an electron?
How many of each element do you have if you have
2 Ni3(PO4)2 ?
Ni - ?
P -?
O - ?
Ni - 6
P - 4
O - 16
The three subatomic particles.
What are protons, neutrons, and electrons?
Balance and name this type of reaction:
C2H5OH + O2 → CO2 + H2O
C2H5OH + 3 O2 → 2 CO2 + 3 H2O
What is the formula for AgNO3?
Silver Nitrate
Draw a Bhor model of Helium
Neon has 2 protons, 2 neutrons, and 2 e-.
It has 1 orbital.
How many grams is 4 moles of Helium (He)
16g
What is the location of the three subatomic particles?
P: Nucleus
N: Nucleus
e-:Outside Nucleus
What type of reaction is this:
BeCl2 + 2 AgNO3 → Be(NO3)2 + 2 AgCl
Double Replacement
What is the formula for Sodium Chloride?
NaCl
What is the periodic trend of electronegativity?
Going left to right on the periodic table?
Going down the periodic table?
Left to Right - Increases
Down - Decreases
How many atoms of Iron are in 3.2 moles of Iron?
1.9264 x 1024
The name of an atom that has the same number of protons but a different number of electrons?
Ions
What type of reaction is this and rewrite it balanced
CaCO3 → CaO + CO2
Decomposition
CaCO3 → CaO + CO2
Name this compound Fe2O3
Iron (III) Oxide
What are the 4 types of sublevels?
Bonus: (300)
How many total electrons can each hold?
s: 2
p: 6
d: 10
f: 14
What is the Molecular formula of Benzene if the mass is 78.108 g/mol and the empirical formula is CH
C6H6
Atoms of different elements have different numbers of these.
Protons
Balance this equation:
Na2O + FeCl3 → NaCl + Fe2O3
3 Na2O + 2 FeCl3 → 6 NaCl + 1 Fe2O3
Write the formula for Zinc Sulfide
ZnS
Who discovered the nucleus of an atom by shooting alpha particles at gold foil.
Rutherford
How many grams of Helium are 1.505x1023 atoms?
1g
An atom with the same number of protons but a different number of neutrons.
What is an isotope?
Balance this equation: Calcium fluoride powder is made from the explosive combination of fluorine gas and metallic calcium.
F2 + Ca → CaF2
What is the formula for Manganese (VI) Oxide
MnO3