Column 1
Column 2
Column 3
Column 4
Column 5
100
What does a law explain?
what happens
100
What does a theory do?
Explains
100
Is light matter?
No
100
What does ductile mean?
Can be draw into thin wires
100
What are elements made of?
atoms
200
What is the law that states "matter is neither created or destroyed in physical and chemical changes?"
The Law of Conservation of Mass
200
What is Chemistry?
The scientific study of substances
200
Define Photon?
A packet of energy
200
What is a metal and a nonmetal?
Ionic
200
A mixture of metals is an _________
Alloy
300
Fill in the blanks..._______ bond is the longest,________ bond is the shortest
1.Single 2.Triple
300
What group are Transition Metals in?
Group 3-12
300
What is the name for a substance that speeds up a reaction?
Catalyst
300
What is the name for CaCO3
Calcium Carbonate
300
What does Dissociate mean?
To break up into pieces
400
What is the "glue" that holds atoms together in a chemical bond?
The protons of 1 atom attract to the electron of the other atom
400
What does a net ionic equation show?
only shows what is actually reacting
400
What is the number for mole?
6.02 x 10^23
400
How did Moseley arrange the Periodic Table?
of increasing atomic number
400
What is Nitrate?
NO3^-1
500
What is the equation for a synthesis reaction?
Element + Element--> Compound
500
Fill in the blanks: In a chemical equation ________ on left-->__________ on right.
1. Reactants 2. ProductsFill
500
What does a molecular equation show?
The final molecular equation for the reaction
500
Energy can come in the form of _______ or ________.
Heat or Light
500
What is the group with the elements 90-103?
Actinides
M
e
n
u