8th Grade Science Vocab List 4_Atoms and Periodic Table

Contains all the elements (113) arranged by atomic number

• Periodic Table of Elements
• Atomic Number
• Nucleus
• Electron Cloud

row of the Periodic Table (7 of them, arranged by number of electron shells)

• Group
• Period
• Family
• Atomic Number

column of the Periodic Table (18 of them)

• Group
• Period
• Row
• Atomic Number

elements in a column share similar properties

• Group
• Period
• Row
• Atomic Number

The basic unit of a chemical element that still retains its properties.

• Protons
• Neutrons
• Electrons
• Atom

Tags

NGSS.MS-PS1-1

A positively charged subatomic particle that exists in the nucleus of an atom.

• Protons
• Neutrons
• Electrons
• Atom

A neutrally charged (no charge) subatomic particle that exists in the nucleus of an atom

• Protons
• Neutrons
• Electrons
• Atom

A negatively charged subatomic particle that exists outside of

• Protons
• Neutrons
• Electrons
• Atom

Tags

NGSS.MS-PS2-3

matter is not created or destroyed, total mass in a closed system always stays the same

• Periodic Table of Elements
• Law of Conservation
• Nucleus
• Electron Cloud

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

From the Law of Conservation: Mass of the _____ equals the mass of the products

• Periodic Table of Elements
• reactants
• products
• matter

Tags

NGSS.MS-PS1-5