Elements
Orbitals
Bonds
Unit Conversions
Water Properties
100
This changes the atomic number, or the element itself.
What does changing the amount of protons in an element do?
100
It is the amount of electrons that fit into 1 orbital.
In an orbital, why is the amount of electrons significant? More specifically, why is 2 electrons significant?
100
This is the most stable group of elements, their reactivity is very low.
What are noble gases in terms of reactivity?
100
A unit of measurement for an amount of substance.
What is a mole?
100
They are the 3 physical states of water.
What is the significance of water vapor, water, and ice?
200
An isotope.
This is when the number of neutrons in an element changes.
200
There are this many orbital types.
Why is 3 significant in the case of orbital types?
200
These are the two most reactive groups of elements.
Group 1 and group 7.
200
This is Avogadro's number.
What is the significance of 6.022 x 10^23?
200
The amount of heat required to raise a substance's temperature by 1˚C.
What is heat capacity?
300
This determines how many energy levels that an element has.
What do the # of rows on the periodic table signify in terms of energy levels?
300
This is the equation for electron configuration.
What is no^x?
300
The qualities of covalent bonding.
Of what bond qualities does the bond between nonmetal + nonmetal, that share electrons represent?
300
Sum of each atom's atomic mass.
What is molar mass?
300
Colligative Property.
What is the name of the property that by dissolving (certain amounts) of solutes in water, alters its properties?
400
These are the names of groups of elements.
Alkaline Earth metal, Alkali metals, Transition metals, Halogens, Noble gases.
400
The rule is that electrons will occupy orbitals as singles before they pair up.
What is Hund's Rule?
400
These are the two ways (formulas) of representing compounds and molecules.
What are chemical and structural formulas?
400
The equation for molarity.
What is # of moles in solute / liters of solution?
400
Water maximizing the # of H bonds with itself by forming a curved surface.
What is surface tension?
500
These elements make up 90% of organic matter.
What makes Carbon, Hydrogen, Nitrogen, and Oxygen significant?
500
The configuration of the electrons at the highest value of n
What is valence electron configuration
500
What are the qualities of single, double, and triple bonds in terms of electrons shared?
Single bonds share 2 electrons, double bonds share 4, triples share 6.
500
The equation for unit conversion between grams and moles.
What is grams of substance/moles of substance = molar mass (g)/1 mole
500
The chemical name of water?
What is dihydrogen monoxide.
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