Matter and the Periodic Table Vocabulary

anything that has mass and takes up space

• molecule

• atom

• matter

• element

Tags

NGSS.MS-PS1-5

a small particle that is the building block of matter

• matter

• atom

• molecule

Tags

NGSS.MS-PS1-1

two or more atoms that are held together by chemical bonds and act as a unit

• molecule

• periodic table

• atom

• group

Tags

NGSS.MS-PS1-1

a substance made of only one kind of atom

• period

• group

• element

• molecule

a chart of the elements arranged into rows and columns according to their physical and chemical properties

• group

• period

• periodic table

• matter

the columns on the periodic table are called this

• group

• period

the rows on the periodic table are called this

• group

• period

the mass number of one atom of an element (protons + neutrons)

• atomic number

• periodic table

• element

• mass number

the number of protons in the nucleus of one atom of an element

• atomic mass

• molecule

• atomic number

• element