Atoms

What gives an atom mass?

• Protons & electrons in the nucleus
• electrons in the cloud
• protons & neutrons in the nucleus
• Protons & electrons in the cloud

The subatomic particle with a neutral charge is:

• protons
• electrons
• neutrons
• cloud

What determines an elements identity?

• electrons
• periodic table
• protons
• mass

This particle is found in the nucleus and has a positive charge

• Electron
• Proton
• Neutron

This particle is found in the nucleus and has no charge

• Neutron
• Proton
• Electron

This contains most of the mass of an atom

• Electron Cloud
• Nucleus
• Electron

Tags

NGSS.HS-PS1-8

This is a negatively charged particle found outside the nucleus

• Electron
• Proton
• Neutron

The first person to ever talk about an atom was

• Democritus
• Rutherford
• Dalton

How did Rutherford discover the proton?

• Cathode tube ray experiment
• Gold Foil Experiment
• Planetary Model
• Plum Pudding Model

Tags

NGSS.HS-PS1-8

Who stated that all atoms of the same element are exactly alike?

• Democritus
• Dalton
• Thomson
• Borh