Molecules Review

_______ are the basic building blocks for all matter.

• Atoms

• Molecules

• Compounds

• Wood posts

Tags

NGSS.MS-PS1-1

A/An ________ is a substance made up of a single atom.

• element

• compound

• molecule

• plant

All __________ are made up of two of more atoms.

• molecules

• elements

• atoms

• ecosystems

Tags

NGSS.MS-PS1-1

A ________ is made up of two or more different types of atoms.

• compound

• valence electron

• atom

• substance

Tags

NGSS.MS-PS1-1

Bonds between atoms in a molecule form as a result of the sharing or exchanging of ____________ electrons.

• valence

• nuclear

• inside

• negative

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When ________ form, the elements lose their individual chemical properties and take on new properties. For example: H₂O is made up of two gases, but when the gases chemically combine, they form a liquid.

• compounds

• molecules

• substances

• things

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

The smallest unbreakable unit of a compound is called a ____________.

• molecule

• element

• atom

• electron

Tags

NGSS.MS-PS1-1

A __________ is like a recipe for a chemical substance (compound or molecule).

• chemical formula

• chemical reaction

• list of ingredients

• periodic table

The _________ in a formula tells the number of atoms of each element present.

• subscript

• coefficient

Tags

NGSS.MS-PS1-1

In a chemical equation, the _________ tells the number of molecules participating in the reaction.

• subscript

• coefficient

Tags

NGSS.MS-PS1-5