Chemistry Test #2

_______________________ - group of two or more atoms held together by a chemical bond

• Chemical Formula

• Elements

• Molecules

• Atoms

_______________________ - a chemical bond where atoms share electrons

• Chemical Bond

• Covalent Bond

• Ionic Bond

• Shared Bond

_______________________ - an expression that states the number and type of atoms present in a molecule of a substance

• Chemical Equation

• Chemical Name

• Chemical Formula

• Chemical Substance

_______________________ - a change that causes matter to change its form

• Matter Change

• Chemical Change

• Form Change

• Physical Change

_______________________ - a change that causes a new substance to form

• Physical Change

• Substance Change

• Law of Conservation of Mass

• Chemical Change

_______________________ - a chemical bond where electrons are donated

• Donation Station

• Donated Bond

• Covalent Bond

• Ionic Bond

_______________________ - A Law that states that matter is not created or destroyed in a chemical reaction.

• Law of Inertia

• Law of Motion

• Law of Conservation of Mass

• Law of Conservation of Chemical Reactions

What does the subscript tell us in a chemical formula?

• How many molecules there are

• Where to find the element on the periodic table

• The atomic number

• The number of atoms there are of that specific element in a molecule

If we have a large number (coefficient) in front of a chemical formula what does that tell us? (Ex: 2CO2)

• The number of elements there are in a molecule

• The number of atoms for a specific element

• How many molecules there are of that specific molecule

• Where to find the molecule on the periodic table

What are the two types of chemical bonds?

• Ionic and Shared

• Donated and Ionic

• Shared and Donated

• Covalent and Ionic