Characteristics
Compound Formation
Chemical Formulas
Reactions
Potluck
100
A change that produces one or more new substances with new chemical properties.
What is a chemical change?
100
One of the spaces around the nucleus of an atom in which an electron moves.
What is an energy level?
100
This tells the kinds of atoms and how many of each kind are in a compound.
What is a chemical formula?
100
A chemical change in which elements are combined or rearranged.
What is a chemical reaction?
100
Type of chemical bond that forms when an atom loses an electron and another atom gains the electron.
What is an ionic bond?
200
A change in which the appearance of a substance changes but its chemical properties stay the same.
What is a physical change?
200
An atom that has either a positive or a negative charge.
What is an ion?
200
A number in a formula that tells the number of atoms of an element in a compound.
What is a subscript?
200
A combination of substances in which no reaction takes place.
What is mixture?
200
A substance capable of dissolving one or more other substances.
What is solvent?
300
A chemical change takes place when hydrogen and oxygen combine to form this.
What is water?
300
The attractive force that holds atoms together.
What is a chemical bond?
300
A group of 2 or more atoms that acts like 1 atom.
What is a radical?
300
To break apart.
What is to dissolve?
300
A substance that is formed in a chemical reaction.
What is a reactant?
400
As wood burns a chemical changes takes place which changes it to hot gases and this
What is ash?
400
This is the maximum number of electrons found in the first energy level of an atom (level K).
What is 2?
400
The chemical formula NaCl is this common substance.
What is table salt?
400
A mixture in which one substance is dissolved in another.
What is a solution?
400
A substance that is formed in a chemical reaction.
What is a product?
500
A chemical change takes place on copper statues when oxygen combines with the copper to make copper oxide which turns the statue this color.
What is green?
500
The form of chemical bond that forms when 2 atoms share a pair of electrons.
What is a covalent bond?
500
The chemical formula CH4 is for this common swamp gas.
What is Methane?
500
The substance that is dissolved in a solution.
What is a solute?
500
To keep the number of atoms the same on both sides of a chemical equation.
What is to balance?
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