Atomic Structure

A.

• proton

• electron

• neutron

• valence electron

Tags

NGSS.MS-PS1-1

B

• proton

• electron

• neutron

• valence electron

Tags

NGSS.MS-PS1-1

C.

• proton

• electron

• neutron

• valence electron

Tags

NGSS.MS-PS1-1

Protons are the _____________ charged particle in the atom.

• positively (+)

• negatively (-)

• neutrally

Electrons are the _____________ charged particle in the atom.

• positively (+)

• negatively (-)

• neutrally

Tags

NGSS.MS-PS2-3

Neutrons are the _____________ charged particle in the atom.

• positively (+)

• negatively (-)

• neutrally

Protons have an atomic mass of _______ amu.

• 1

• 2

• 1/1850

Neutrons have an atomic mass of _______ amu.

• 1

• 2

• 1/1850

Electrons have an atomic mass of _______ amu.

• 1

• 2

• 1/1850

The atomic number of an element is the number of ____________, and therefore the number of ___________in an atom.

• electrons

• neutrons

• protons

Tags

NGSS.MS-PS1-1