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Atomic Structure
Periodic Table
Chemical Equations
Chemical Reactions
Safety and Experiments
100
The Nucleus.
What is the location of the protons and neutrons? (1B)
100
Groups.
What are the vertical columns that contain elements with similar properties? (2B)
100
The coefficient.
What is the big number that tells the number of molecules? (2D)
100
The products.
What is the ending part of a reaction, on the right of the arrow? (4E)
100
Hazardous Waste Disposal.
Where should you put toxic chemicals? (5B)
200
Mass Number
What equals the number of protons plus neutrons? (1D)
200
The Nobel Gasses.
What is the group where the elements do not react with other elements? (2D)
200
The Yields Sign.
What is the symbol that shows a reaction has occurred and atoms have rearranged? (3A)
200
A color change.
What is one thing you can see to know a chemical reaction has occurred? (4B)
200
Repeat the experiment.
What should you always do to check the results of your experiment? (5A)
300
The second energy level.
What can hold 8 electrons? (1F)
300
Helium.
What is an element with 2 protons? (2F)
300
The subscript.
What is the small number that tells the number of atoms in the molecule? (2F)
300
The Law of Conservation of Mass.
What says that mass never changes and matter is not created or destroyed? (4A)
300
Electrical safety.
Why do you use a dry table and nonmetal materials? (5C)
400
The Atomic Number
What is the number on the Periodic Table that tells the number of protons in an atom? (1A)
400
Periods.
What are the horizontal rows that contain elements with properties that increase right to left? (2A)
400
Balancing the Equation.
What makes the number of atoms in the reactants equal the number of atoms in the products? (2E)
400
The reactants
What is the starting part of a reaction, on the left of the arrow? (4F)
400
Disposal.
What is another word that means "throw away"? (5E)
500
The energy level closest to the nucleus.
What is the location of electrons with the least energy? (1E)
500
The Alkali Metals.
What is the group where the elements are very reactive? (2C)
500
A compound.
What is the name for a group of atoms of different elements? (2C)
500
A balanced equation.
What is an equation with the same number of atoms in the reactants as in the products? (4C)
500
Read all the instructions.
What should you always do before starting any experiment? (5F)