The Atom

The subatomic particle with a negative charge

• proton

• neutron

• electron

• nucleus

The subatomic particle with a positive charge

• proton

• neutron

• electron

• nucleus

The subatomic particle with no charge

• proton

• neutron

• electron

• nucleus

The extremely dense center of an atom

• proton

• neutron

• electron

• nucleus

• Orbital

Tags

NGSS.HS-PS1-8

Atoms of the same element that have a different number of neutrons

• isotopes

• atomic mass

• atomic number

• mass number

Tags

NGSS.HS-PS1-8

the number of protons in an atom

• atomic number

• mass number

• chemical symbol

• atomic mass

The weighted average mass of all isotopes of an element

• atomic number

• atomic mass

• chemical symbol

• mass number

Tags

NGSS.HS-PS1-8

the total number of protons and neutrons

• atomic number

• atomic mass

• chemical symbol

• mass number

What does the arrow pointing to 8 represent

• atomic number

• chemical symbol

• element name

• atomic mass

Tags

NGSS.MS-PS1-1

What does the arrow pointing to 15.999 represent

• atomic number

• chemical symbol

• element name

• atomic mass

Tags

NGSS.HS-PS1-1