2.2 Protons Neutrons and Electrons

Which has a positive charge?

• neutron

• electron

• tron

• proton

Which number shows the atomic number?

• 2

• 4.0026

• 4

• HE

Tags

NGSS.MS-PS1-1

Which has a neutral charge?

• proton

• electron

• neutron

• tron

Which number represents the atomic mass?

• HE

• 4.0026

• 2

• 4

Which has a negative charge?

• proton

• electron

• isotope

• neutron

Tags

NGSS.MS-PS1-1

Matter composed of one type of atom:

• isotope

• ion

• element

• mixture

The short or abbreviated way to write an element:

• Address

• Nickname

• Symbol

• Code

The sum of protons and neutrons around the nucleus

• atomic number

• mass number

• average atomic mass

• mass amount

What are the 2 main parts of the atom

• nucleus, electron cloud

• proton, neutron

• electron cloud, proton

• Electron cloud ,neutron

Tags

NGSS.MS-PS1-1

Which part of the atom stores the protons and neutrons

• proton cloud

• neutron cloud

• electron coud

• The nucleus

Tags

NGSS.MS-PS1-1