Atomic Structure Quick Check

This neutrally charged particle is located in the nucleus of an atom:

• negatron
• neutron
• proton
• electron

Which two subatomic particles are responsible for the average atomic mass of atoms?

• protons and electrons
• neutrons and electrons
• negatrons and quarks
• protons and neutrons

Which scientist performed the gold foil experiment?

• Daulton
• Thomson
• Bohr
• Rutherford

This subatomic particle has a negative charge:

• proton
• neutron
• electron
• quark

This is the building block unit of matter:

• protons
• neutrons
• atoms
• electrons

Tags

NGSS.HS-PS1-7

The atomic number indicates the

• neutrons in the atom
• number of electrons
• number of protons
• mass of the atom

Which atom structure is responsible for the mass of the atom?

• electrons
• nucleus
• energy cloud
• protons only

Tags

NGSS.HS-PS1-8

NGSS.HS-PS1-7

What subatomic particle controls the identity of an atom?

• electrons
• protons
• neutrons
• quark

An atom with a charge is called an

• Isotope
• Neutral atom
• Ion
• compond

Who is credited for the discovery of the nucleus?

• J.J. Thomson
• Dalton
• Rutherford
• Democritus