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atomic structure and atomic theory
periodic table and trends
chemical bonding, structures and names
stoichiometry
chemical reactions
100
All atoms are...?
Neutral
100
This element has 26 protons
iron
100
This element has 6 protons, 6 electrons, and 4 valence electrons
carbon
100
Na2SlO3(5)+8HF(aq)~HzSiF6(aq)+2NaF(aq)+3HzO(I) -how many moles are needed to react with .300 mol of Na2SiO3?
2.40 moles
100
NaBr+H3PO4~Na3PO4+HBr -identify the reaction
double replacement
200
The atomic number of an element is the total number of which particles in the nucleus?
Protons
200
this element is a metal with 28 electrons
nickel
200
this element has 17 protons, 17 electrons and 7 valence electrons
chlorine
200
Na2SlO3(5)+8HF(aq)~H2SiF6(aq)+2NaF(aq)+3H2O(I) -how many grams of NaF form when .500 mol of HF reacts with excess Na2SiO3?
5.25 g
200

Ca(OH)2+Al2(SO4)3 --> CaSO4+Al(OH)3 -identify the type of reaction

double displacement

300
The number 7 in the name lithium-7 represents
the mass number
300
this element is a gas with 8 protons
oxygen
300

This type of bond is formed by two non metals.

Covalent

300
C6H12O6(aq)-72C~HsOH(aq)+2CO2(g) -how many moles of CO2 are produced when .400 mol of C6H12O6 reacts
.800 mol
300

Mg+Fe2O3 --> Fe+MgO -identify the reaction

single displacement

400

List 3 ways to accelerate a chemical reaction.

Increase temperature, increase surface area, stir, increase the amount of reactants.

400

This is the organic macromolecule with the highest calorie count per gram.

Lipids/fats/oils

400

Write the formula for gold (III) sulfate.

Au2(SO4)3

400
C6H12O6(aq)-72C~HsOH(aq)+2CO2(g) -how many grams of C6H12O6 are needed to form 7.50 of C2H5OH?
14.70
400

Combustion reactions always produce these two gases as byproducts.

Water vapor and carbon dioxide.

500

If a gas is kept in a balloon, and the temperature of the room is doubled, while half the gas in the balloon is removed, and the pressure is reduced by 75%, what will the volume of the balloon be, proportionally?

1/4 of its original size.

500
A gas with a mass number of 19
fluorine
500

Name the following compound: SiF4

Silicon Tetrafluoride

500
2NaOH+H2SO4~2H2O+Na2SO4 -how many grams of sodium sulfates will be formed if you start with 200 grams of sodium hydroxide and you have an excess of sulfuric acid?
355.3 grams
500
PbSO4~PbSO3+O2 -identify the type of reaction
decomposition