Matter (6.5) Vocabulary

Atom

• Basic building block of all matter

• Subatomic Particles

• Element

• Chemical symbol

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Subatomic Particles

• Particles that make up an atom (electrons, protons, neutrons)

• Element

• Chemical symbol

• Compound

Tags

NGSS.MS-PS1-1

Element

• Form of matter made up of one type of atom

• Chemical symbol

• Compound

• Chemical bonds

Chemical symbol

• A representation of an element usually consisting of one or two letters (examples: C, O, Na, Fe, Al)

• Compound

• Chemical bonds

• Chemical formulas

Compound

• Substance formed by the combination of two or more different elements (examples: NaCl, CaO, H2O, CH4)

• Chemical bonds

• Chemical formulas

• Chemical equations

Tags

NGSS.MS-PS1-1

Chemical bonds

• Forces that hold atoms together to form new substances; form when an atom shares electrons with another atom, or when electrons are transferred from one atom to another

• Chemical formulas

• Chemical equations

• Electron

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Chemical formulas

• Representation of a compound using element symbols and subscripts (examples: NaCl, H2O, C6H12O6, HCl)

• Chemical equations

• Electron

• Neutron

Tags

NGSS.MS-PS1-1

Chemical equations

• A way to show a chemical reaction using symbols instead of words (example: Na + Cl → NaCl)

• Electron

• Neutron

• Proton

Tags

NGSS.MS-PS1-5

Electron

• Subatomic particle which moves around the outer sphere (shell) of an atom, has a negative electrical charge

• Neutron

• Proton

• Nucleus

Neutron

• Subatomic particle in atom’s nucleus, has no electrical charge

• Proton

• Nucleus

• Molecule