Math
Matter and Energy
The atom
Periodic Table
Bonding and Geometry
100
This is the number: .00053 in scientific notation.
What is 5.3 x 10-4
100
This is the physical state with the HIGHEST kinetic energy.
What is gas.
100
This is the charge of an oxygen atom with 6 electrons.
What is +2
100
This is the MOST electronegative element.
What is Fluorine.
100
This is the type of bond formed by Potassium and Chlorine.
What is an Ionic bond (metal + nonmetal)
200
This is the number of centimeters in 100 meters.
What is 10,000 centimeters
200
These are the 2 types of pure substances:
What are compounds and elements
200
This was Rutherford's major discovery about the atom.
What is the atom has a positively charged nucleus.
200
This is the reason why atomic radius DECREASES from left to right across the periodic table.
What is there are more protons in the nucleus and the electrons are more attracted.
200
This is the correct formula for Copper (I) oxide.
What is Cu2O
300
This is the number of significant figures in the number: 0.00100
What is 3
300
Air is an example of this type of mixture:
What is homogeneous mixture.
300
These are the subatomic particles that make up the nucleus
What are protons and neutrons
300
This is the term for the amount of energy that is necessary to remove an electron.
What is Ionization energy
300
This is the correct name for the following formula: CH4
What is Carbon tetrahydride
400
This is the UNIT for density
What is g/mL OR g/cm3
400
This is a method that allows a scientist to separate a mixture of salt water AND collect both the salt and water at the end.
What is distillation
400
This is the color of VISIBLE light with the longest wavelength.
What is RED
400
This is the MAJOR reason for why elements in the same GROUP have similar properties.
What is they have the same number of valence electrons.
400
This is the expected geometry of a molecule with no lone pairs and four bonds around a central atom.
What is tetrahedral.
500
This is the density of pure water.
What is 1 g/mL
500
This is the term for the amount of energy required to raise the temperature of 1 gram of ANY substance 1 degree Celsius.
What is specific heat capacity
500
This is the total number of electrons that the 3rd principal energy level can hold.
What is 18. (2 in 3s, 6 in 3p, 10 in 3d)
500
These are 2 reasons why atomic radius INCREASES going down a group.
What is: adding energy levels AND valence electrons are more shielded by the electrons closer to the nucleus.
500
This is the formula for calcium phosphate
Ca3 (PO4)2
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