Law of Conservation of Mass
Chemical Reaction
Balancing Equation
Nuclear Reaction
Miscellaneous
100
This states that matter cannot be created nor destroyed.
What is Law of Conservation of Mass?
100
This is found on the left side of the yields sign. In other words, what goes in to the reaction.
What is reactant?
100
The first step, other than making a RAP table, that you do when balancing a chemical equation.
What is count atoms.
100
This an example of a destructive nuclear reaction.
What is atomic bombs?
100
The smallest unit that makes up everything.
What is atom?
200
By definition, the Law of Conservation of Mass states that matter (mass) may not be __________ nor _________ .
What is created /destroyed?
200
This sign indicates the direction of the reaction, and separates reactants from products.
What is yield or arrow?
200
Tells you the number of molecules of a given substance in a chemical equation.
What is coefficient?
200
Splitting of the nucleus of an atom.
What is nuclear fission?
200
The force that pulls atoms together
What is chemical bond?
300
The masses of the reactants and the products in a chemical reaction according to the Law of conservation of mass should always be ____.
What is equal?
300
It is the end result of a chemical reaction.
What is product?
300
Tells you if the equation if balanced.
What is the number of atoms in the product side is equal to the reactants?
300
Combining two atomic nuclei
What is nuclear fusion?
300
A type of change that occurs when new substances are formed.
What is chemical change?
400
Twelve grams of reactant X react with fifteen grams of reactant Y. This is the total mass of the product(s).
What is twenty seven (27) grams?
400
This tells the number of atoms in a chemical equation.
What is subscript?
400

The number of elements in this equation:

         CaCl2 → Ca + Cl2

What is two (2)?
400
One of the advantages of using nuclear energy
What is no pollution?
400
Two evidences that a chemical change is happening to a substance
What are color change/temperature change/new substance is formed/bubbling/fizzing/change in odor?
500
In a chemical reaction, 50 g of Chlorine is used to produce 95 grams of Sodium Chloride. How much Sodium was used?
What is forty-five (45) grams?
500

The type of chemical reaction shown by this equation:                    CaCl2 + Cl → CaCl3

What is exothermic reaction?
500

The balanced equation for:

            CaCl2 → 2Ca + Cl2

What is

             2CaCl2 → 2Ca + 2Cl2?

500
The two energy that nuclear energy is transformed into in a nuclear power plant
What are thermal/heat energy and electrical energy.
500
The chemical formula for table salt.
What is NaCl?
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