The building blocks of all matter are ________.

• Molecules

• Atoms

• Energy

• Elements

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A ___________ is any two or more atoms chemically bonded together.

• Molecule

• Compound

• Mixture

• Substance

Tags

NGSS.MS-PS1-1

A __________ is two or more DIFFERENT types of atoms (elements) joined together by chemical bonds.

• Element

• Molecule

• Compound

• Substance

A(n) ___________ is an abbreviation for an element that we find on the periodic table.

• Element Symbol

• Coefficient

• Subscript

• Chemical Formula

A _____________ tells us exactly which atoms (elements) are in a molecule.

• Subscript

• Chemical Formula

• Coefficient

• Element Symbol

Tags

NGSS.MS-PS1-1

A __________ is a large number in front of the chemical formula that tells us how many molecules are present.

• Subscript

• Element Symbol

• Chemical Formula

• Coefficient

A __________ is a small number found below and to the right of an element symbol that tells us how many atoms of that element are in the molecule.

• Subscript

• Coefficient

• Element Symbol

• Chemical formula

A ______________ mixture, or solution, is a type of mixture where all parts are mixed evenly (ex: milk, tea).

• Heterogeneous

• Homogeneous

• Simple

• Compound

A _____________ mixture is one where the parts are unevenly mixed and we can clearly see all the different parts (ex: fruit salad, trail mix, etc...).

• Heterogeneous

• Homogeneous

• Simple

• Compound

The chemical formula is: 5 H₂O

The coefficient is:

• 2

• 5

• There is none.