Chemistry Unit 1 Vocabulary

the basic building block of matter that makes up everything

• Bohr Model

• Atom

• Electron Cloud

Tags

NGSS.MS-PS1-1

the area around the nucleus of an atom where electrons are found

• Bohr Model

• Atom

• Electron Cloud

Tags

NGSS.MS-PS1-1

a diagram that shows an atom’s nucleus surrounded by an electron cloud

• Bohr Model

• Atom

• Electron Cloud

Tags

NGSS.MS-PS1-1

the central region of an atom that contains the protons and neutrons

• Nucleus

• Proton

• Electron

• Neutron

Tags

NGSS.MS-PS1-1

positive charged subatomic particles found in the nucleus

• Nucleus

• Proton

• Electron

• Neutron

neutral charged subatomic particles found in the nucleus

• Nucleus

• Proton

• Electron

• Neutron

negatively charged subatomic particles found in the area surrounding the nucleus

• Nucleus

• Proton

• Electron

• Neutron

the electrons on the outer shell of an atom that are involved in forming bonds

• Atomic Mass

• Atomic Number

• Valence Electrons

• Chemical Symbol

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

the number of protons or electrons contained in an element

• Atomic Mass

• Atomic Number

• Valence Electrons

• Chemical Symbol

Tags

NGSS.MS-PS1-1

the number of protons plus the number of neutrons contained in an atom’s nucleus

• Atomic Mass

• Atomic Number

• Valence Electrons

• Chemical Symbol