Chemicals and Reactions
Compound Names
Atoms
Periodic Table
Misc
100
C + O2 -> CO2
The substances that react together and are found on the left side of the arrow in a chemical equation are called this _______. The right side of the equation is known as the product.
What are reactants?
100
H2O
What is water or Dihydrogen monoxide?
100
The negatively-charged subatomic particle that orbits the nucleus of an atom.
What is an electron?
100
The amu of Lithium.
What is 6.941?
100
Most atoms want this number of atoms on the outer valence shell.
What is 8?
200
A chemical that increases the rate of a chemical reaction without being used in the process.
What is a catalyst?
200
CO2
What is carbon dioxide?
200
Two or more atoms of the same element that have different numbers of neutrons.
What is an isotope?
200
The column or category of elements representing the most stable elements on the periodic table.
What are noble gases (column 18 or last column)?
200
A type of bond where electrons are shared.
What is a covalent bond?
300
A chemical reaction that releases energy (eg combustion).
What is an exothermic reaction?
300
NaCl
What is sodium chloride or table salt?
300
An atom's outermost electrons.
What are valence electrons?
300
The number of outer valence electrons that Hydrogen needs to be stable.
What is two?
300
This number that ranges from 0 to 14 indicates how acidic a liquid or solution is.
What is a pH number?
400
Zn + CuSO4 -> Cu + ZnSO4
A reaction (such as the one above) in which one element or ion in a compound is replaced by a different element or ion.
What is a single displacement reaction?
400
H2O2
What is a hydrogen peroxide?
400
Atoms that form covalent bonds with themselves to become more stable. There are 7 naturally occurring ones at room temperature.
What are diatomic molecules?
400
The most electronegative atom on the Periodic Table.
What is Fluorine?
400
The temperature scale that is absolute.
What is Kelvin?
500
A chemical that donates an H+.
What is an acid?
500
NH3
What is Ammonia?
500
An atom or group of atoms that develop an electrical charge by gaining or losing electrons.
What is an ion?
500
The group of elements located between the metals and nonmetals on the Periodic table. Silicon is an example.
What are metalloids?
500
A type of bond with unequal sharing of electrons between atoms due to the different electronegativity values.
What is a polar bond?