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Periodic Table
Chemical Bonding
Chemical Reactions
Chemicals and Our World
100
Dmitri Mendeleev
Who discovered a pattern to the elements?
100
The combining of atoms to form molecules or ionic compounds.
What is chemical bonding?
100
A process in which one or more substances change to make one or more new substances.
What is a chemical reaction?
100
Any substance that has a defined composition.
What is a chemical?
200
Describes something that occurs or repeats at regular intervals.
What does periodic mean?
200
An interaction that holds atoms or ions together.
What is a chemical bond?
200
A solid substance that is formed in a solution.
What is a precipitate?
200
Polyester, nylon.
What are some synthetic chemicals?
300
Hydrogen
What is the only element in period one?
300
Charged particles that form when atoms gain or loose electrons.
What are Ions?
300
A combination of chemical symbols and numbers to represent a substance.
What is a chemical formula?
300
Any drug that is used to cure, prevent, or treat illness or discomfort.
What is a medicine?
400
Lithium, Sodium, Potassium, Rubidium, Cesium, Francium
What are the alkali metals?
400
A bond that forms when electrons are transferred from one atom to another.
What is an ionic bond?
400
The starting materials in a chemical reaction.
What is a reactant?
400
The power of a medicine to produce a desired effect.
What is potency?
500
Beryllium, Magnesium, Calcium, Strontium, Barium, Radium.
What are the alkaline-earth metals?
500
The regular pattern in which a crystal is arranged.
What is a crystal lattice?
500
The substance that forms in a chemical reaction.
What is a product?
500
The amount of medicine that needs to be taken at one time.
What is a dose?