Atomic Unit review

What is the atomic mass number of C-14?

• 8

• 12

• 14

• 6

Tags

NGSS.HS-PS1-8

Isotopes will have a different number of what?

• neutrons

• protrons

• electrons

• atomic number

Tags

NGSS.MS-PS1-1

Which subatomic particle is the smallest?

• electron

• proton

• neutron

• nucleus

Which particle has a positive charge?

• quark

• neutrino

• proton

• electron

What would the atomic number of an element be if it has 6 protons, 8 neutrons, and 6 electrons?

• 2

• 14

• 8

• 6

Tags

NGSS.MS-PS1-1

Which particle is the largest and has a Neutral charge?

• neutron

• lepton

• proton

• electron

What is the basic unit of matter?

• neutron

• neutrino

• atom

• electrom

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Which two particles are found in the nucleus?

• neutron, quark

• proton, electron

• neutron, electron

• proton, neutron

Who was the scientist that discovered the electron?

• Thomson

• Schrodinger

• Dalton

• Democritus

The element that has an atomic number of 50 is?

• zirconium

• tin

• vanadium

• selenium