Periodic Table Vocab

Matter that is composed of one type of atom

• Element

• Neutron

• Proton

• Atomic mass

The number of protons in an atom of an element

• Isotopes

• Metals

• Atomic number

• Nucleus

A table where elements are organized by increasing atomic number or number of protons

• Atom

• Periodic table

• Lanthanide series

• Electron cloud

A positive electric charge

• Groups

• Proton

• Average atomic mass

• Quarks

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Elements that usually gases or brittle solids at room temperature

• Alkaline earth metals

• Election dot diagram

• Nonmetals

• Noble gases

Abundant earth metals

• Lanthanide series

• Metals

• Metaloids

• Transition elements

Exist as isolated atoms

• Neutrons

• Element

• Atomic mass

• Noble gases

The first column of the periodic table

• Alkali Metals

• Atom

• Nonmetals

• Groups

The largest group and the most familiar metals because they occur in nature uncombined

• Element

• Metals

• Transition elements

• Quarks

Uses the element symbol and dots to represent the outer energy level of electrons

• Atomic number

• Neutron

• Electron dot diagram

• Lanthanide series