The name and formula of the compound formed when calcium and fluorine bond.
What is calcium fluoride, CaF2?
100
The category of reaction in which a single compound breaks down to form two or more simpler substances.
What is a decomposition reaction?
100
The number of atoms of each element represented by
2Na2PO4
What is 4 atoms Na, 2 atoms P, 8 atoms O
100
A chemical reaction in which heat is released to the surroundings.
What is an exothermic reaction?
200
The most reactive nonmetal on the Periodic Table.
What is Fluorine?
200
The Lewis Dot Structure of Sulfur.
What is S with 6 dots?
200
The category of reaction in which ions from two compounds exchange places.
What is a double-displacement reaction?
200
The number of atoms of each element represented by
4Al2(SO4)3
What is 8 atoms Al, 12 atoms S, and 48 atoms )?
200
The minimum amount of energy needed to cause a match to burst into flame.
What is activation energy?
300
This family of elements are know to be unreactive in most situations.
What are the Noble (Inert) Gases?
300
This broad group of elements tend to lose electrons when they form chemical bonds.
What are metals?
300
The category of reaction in which two or more substances combine to form one new compound.
What is a synthesis reaction?
300
The correct co-efficients to balance this equation:
N2 + H2 ----> NH3
What is 1, 3, 2 ?
300
To prove this law you would perform a controlled experiment and find the mass of all reactants before the reaction and capture all products and find the mass of all products after the reaction.
What is the Law of Conservation of Mass (Matter)?
400
The number of neutrons in Gallium (Ga-70).
What is 39?
400
The number of electrons elements in the Halogen family gain when forming bonds.
What is one?
400
The category of reaction that reacts a fuel with oxygen and forms carbon dioxide, water, and energy.
What is a combustion (burining) reaction?
400
The co-efficients needed to balance the reaction
P4 + O2 ------> P2O5
What is 1, 5, 2 ?
400
When this acid is dissolved in water all of its molecules break apart and form hydrogen ions; when this base is dissolved in water very few of its molecules break apart to form hydroxide ions.
What is a strong acid and a weak base?
500
A very reactive metal, with properties similar to those of magnesium, and in the same period as bromine.
What is Calcium?
500
The chemical formula for carbon tetrachloride.
What is C Cl 4
500
The reactants and products in an Acid-Base neutralization reaction.
What is acid + base produce salt + water?
500
The co-efficents needed to balance this reaction
C4H10 + O2 ----> CO2 + H2O + Energy
What is 2, 13, 8, 10 ?
500
Fish give off the base, NH3 as waste. This is what you would do to correct the pH of the water.
Since the pH of the water will increase due to the addition of the base (NH3), you would add an acid to lower the pH and correct the problem.