Liquids
Ionic/Covalent
Atom Models/Periodic table
Electrons
Gasses
Miscellaneous
100
Increasing temperature, stirring and surface area affects...
the number of collisions in a solution.
100
Electrons are shared in what kind of bonds?
Covalent
100
2 parts: Whose model of the atom is includes a dense, positive nucleus and electrons floating around in set orbits? AND what charge is the electron?
Bohr's model and negative one
100
Which of the following is not found in the nucleus?
a. Protons
b. Neutrons
c. Electrons
C. electrons
100
Boyles law states that pressure and volume have a ____________ relationship.
Indirect.
100
C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g)
What reaction type is this?
Combustion
200
If a substance tastes bitter, what is it pH?
Over 7
200
Why would phosphorus have a -3 charge?
a. it lost 3 electrons
b. it gained 3 electrons
c. it lost 3 protons
d. it gained 3 protons
b. It gained 3 electrons
200
2 parts: What did the gold foil experiment discover? AND how many valence electrons does silicon (Si) have?
The nucleus is dense and positively charged and the atoms is mostly empty space. Also, Si has 4 electrons.
200
A mystery element has 3 dots in its lewis structure. What could be this mystery element?
a. Nitrogen. c. Boron
b. Lithium. d. Sulfur
C. Boron
200
Which law would you use for the following problem:
600.0 mL of air is at 20.0 °C. What is the volume at 60.0 °C?
Charles Law
200
Balance the equation and answer in molar ratio form...1:1:1
__ Al + _O2 →___ Al2O3
4:3:2
300
What method of separation would be best to separate two liquids of different boiling points?
Distillation
300
Name the following molecule: CaCl2
Calcium Chloride
300
2 parts: What did Thomson discover? How many electrons are located in the 2p orbital?
The electron AND 6 electrons
300
What is the full electron configuration for Silicon?
1s22s22p63s23p2
300
If a flask is sealed and then heated up, what would happen to the pressure inside the flask? Which law is this?
It would increase because of Gay-Lussac's law.
300
What is the VSEPR shape AND polarity of PH3?
Trigonal pyramidal and Polar
400
What is the molarity of a solution containing 72.06 grams of BaCl2 in enough water to make 0.800 L of solution?
0.43 M
400
Name the following molecule: P2O5
Diphosphorous pentoxide
400
2 parts: Democritus described the atom as something that cannot be broken down using what word? AND What element is this: [Xe] 6s24f145d106p1?
Indivisible (or indestructible) AND Thallium (Tl)
400
Which element is described by this noble gas notation: [Ne]3s2 ?
Magnesium
400
Solve for the missing variable: 15mL of oxygen gas are kept at 8 atm. If the volume of this gas was increased to 60 mL, what would be the new pressure?
2 atm
400
HCl has what intermolecular forces?
London dispersion forces and dipole-dipole
500
Would NH3 dissolve in nonpolar hexane?
No because like dissolves like. NH3 is polar so it will not dissolve in Nonpolar hexane.
500
Write the chemical formula for Nickel (III) sulfide.
Ni2S3
500
Which of the following atoms has 3 valence electrons and 4 electron shells/levels? AND is it more or less electronegative than Br?
Gallium AND Less
500
What is the orbital notation of Phosphorus?
500
Solve for the missing variable:
At what temperature will 0.654 moles of neon gas occupy 12.30 liters at 1.95 atmospheres?
447 K
500
Predict the product of this reaction...
Al + S -->
Al2S3
Criss cross Al+3 S-2