Atomic Structure of Elements

Subatomic particles found in the nucleus of an atom

• protons

• electrons

• element

• neutrons

Has an atomic mass of about 1

• proton

• neutron

• electron

• atom

Determines the element's behavior

• proton

• electron

• neutron

Determines the element's identity

• proton

• neutron

• electron

Valence electrons are found

• on the inside of the nucleus

• just outside the nucleus

• on the outer ring

An isotope is an element with less or extra _______

Subatomic element with no charge

Positively charged subatomic particle

• proton

• neutron

• element

• valence electron

Negatively charged subatomic particle

• proton

• electron

• neutron

Same as atomic number

• atomic mass

• # of protons

• charge