Classification
Structure
Bonding
Stoichiometry
Other
100
The smallest particle that can be identified as a particular element.
What is an atom?
100
A negatively charged subatomic particle.
What is an electron?
100
The type of elements that tend to form negative ions.
What are non-metals?
100
The molar mass of water.
What is 18 g?
100
What exactly happens to the pressure if the temperature is doubled and the volume is constant.
What is doubled?
200
An example of an element.
What is (anything on the periodic table)?
200
The two subatomic particles that are in the nucleus of an atom.
What are protons and neutrons?
200
Elements whose atoms have complete valence levels.
What are noble gases?
200
The mass of 3 moles of carbon.
What is 36 g?
200
The specific type of mixture in which the solute falls out of the solvent after a period of time.
What is a suspension?
300
Mass/volume
What is density?
300
The highest number of valence electrons that an atom can have.
What is eight?
300
The type of chemical bond in which electrons are shared.
What is a covalent bond?
300
HCl + KBr --> HBr + KCl is an example of this type of chemical reaction.
What is double displacement (replacement).
300
The process in which a solid changes directly to a gas when heated.
What is sublimation?
400
Another name for a solution.
What is a homogeneous mixture?
400
The subatomic particle that identifies which element the atom is.
What is the proton?
400
The type of chemical bond that results in substances with the highest melting/boiling points.
What is an ionic bond?
400
6.02 x 10^23
What is the number of atoms in a mole OR what is Avogadro's number?
400
The chemical formula for calcium nitride.
What is Ca3N2?
500
Three signs that a chemical reaction is occurring.
What is color change, energy absorbed/given off, gas given off, precipitate formation, new substance formed?
500
The maximum number of electrons that can exist in the first two energy levels combined.
What is ten?
500
A type of chemical bond in which the electrons are shared unequally between two atoms.
What is a polar covalent bond.
500
In the reaction: hydrogen + oxygen --> water, the coefficient in front of the hydrogen.
What is 2?
500
The element that has four valence electrons in the third energy level.
What is silicon?
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