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Atoms
Elements
Periodic Table
Chemical Reactions
Bonds
100
Most of the mass of an atom is here.
What is the nucleus?
100
Has atomic number 2.
What is helium?
100
Elements with full valence shells are in this group.
What are noble gases (group 18)?
100
Type of chemical reaction where two or more reactants form one product.
What is synthesis?
100

A bond between two elements that share electrons

What is a Covalent Bond?

200
Positively charged particle in an atom.
What is a proton?
200

The first non-metal

What is carbon?

200
Name for elements in Group 1.
What are alkali metals?
200
Type of chemical reaction where an element and a compound react to form a different element and compound.
What is single-replacement?
200

A bond which one element takes an electron from another.

What is an Ionic Bond?

300
Protons and Neutrons.
What are particles found in the nucleus of an atom?
300
The only nonmetal on the left side of the periodic table.
What is hydrogen?
300
Classification that indicates number of energy levels.
What are periods?
300
Can be added to speed up a reaction.
What is a catalyst?
300

This molecule is very good at breaking up polar bonds.

What is a detergent?

400
Negatively charged particles found in atoms.
What are electrons?
400
The four primary elements in living things.
What are carbon, hydrogen, oxygen, and nitrogen?
400

Repeating pattern of molecules to make up a polymer.

What is a monomer?

400
Type of reaction with just one reactant.
What is decomposition?
400

A positive and and a negative end of a neutral molecule helps make this kind of bond. 

What is a polar bond?

500
An atom that has either lost or gained an electron.
What is an ion?
500
Elements with varying numbers of neutrons.
What are isotopes?
500
Have characteristic of both metals and nonmetals.
What are metalloids?
500
Can be added to a reaction to slow or stop the reaction.
What is an inhibitor?
500
The force that holds together Ionic bonds and Polar bonds.

What are Positive-Negative interactions?