Conservation of Mass

Measure of the amount of matter 

• mass
• volume
• weight
• density

Anything that has mass & takes up space

• gravity
• force
• matter
• volume

Smallest unit of an element

• compound
• atom
• molecule
• product

Smallest unit of a compound

• atom
• density
• element
• molecule

Tags

NGSS.MS-PS1-1

Substance that cannot be broken into simpler substances

• element
• molecule
• gram
• proton

Tags

NGSS.HS-PS1-1

Substance made up of chemically combined elements

• atom
• element
• electron
• compound

Tags

NGSS.MS-PS1-1

Number placed in front of a chemical formula

• product
• coefficient
• reactant
• subscript

Tags

NGSS.MS-PS1-5

Number written below & to the right of a chemical symbol

• subscript
• reactant
• product
• coefficient

Highly reactive metals in first column of periodic table

• halogens
• noble gases
• alkali metals
• metalloids

Highly reactive non-metals in second to last column on periodic table

• noble gases
• metalloids
• alkali metals
• halogens