Periodic Table Vocabulary

A one or two letter representation of an element

• atomic number

• chemical symbol

• mass number

• element

the way a mineral reflect light; the quality of giving off light, brightness, glitter, brilliance

• Luster

• Metals

• Ductile

• Malleable

Elements that are shiny and good conductors of electric current and heat, mostly solid at room temperature

• Metals

• Ductile

• Metalloids

• Atom

a horizontal row of elements on the periodic table which share the same number of electron orbitals or energy levels.

• Groups

• Periods

• Element

• Mass Number

column of elements on the periodic table that shares properties because they all have the same number of valence electrons in their outer shell

• Mass Number

• Properties of the Periodic Table

• Periodic Table of Elements

• Family/Group

Anything that has mass and takes up space

• Element

• Luster

• Matter

• Proton

Tags

NGSS.MS-PS1-5

easy to shape or bend

• Malleable

• Ductile

• Luster

• Metalloids

A term used to describe a material that can be pulled out into a long wire.

• Malleable

• Ductile

• Luster

• Metals

the number of protons in the nucleus of an atom

• Atomic Number

• Electron

• Mass Number

• Chemical Symbol

the sum of the number of neutrons and protons in an atomic nucleus

• Nucleus

• Atomic Number

• Mass Number

• Chemical Symbol