Unit 3 Academic Chemistry Atoms Quiz

Who used the gold foil experiment to discover the nucleus and realized an atom is mostly empty space?

• Rutherford

• Democritus

• Dalton

• Thomson

Tags

NGSS.HS-PS1-8

Created the word "atomos" which means indivisible. Was a Greek philosopher.

• Bohr

• Rutherford

• Dalton

• Democritus

Scientist that proved electrons orbit the nucleus in specific energy levels. His model is referred to as the planetary model.

• Rutherford

• Bohr

• Dalton

• Thomson

Which subatomic particles are in the nucleus

• Protons and Neutrons

• Neutrons and Electrons

• Electrons and Protons

• Electrons, Protons and Neutrons

Subatomic particle with mass of 1 amu, and a positive charge.

• Neutron

• Proton

• Electron

• None of these are correct.

Subatomic particle with mass of 1 amu, and a neutral charge.

• Neutron

• Proton

• Electron

• None of these are correct.

Which subatomic particle has a negative charge?

• Proton

• Neutron

• Electron

• None of these are correct.

What is Helium's Atomic Number?

• 1

• 2

• 4.003

• 4

How many protons does Helium have?

• 1

• 2

• 3

• 4

How many neutrons does Helium have?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1