Atomic Theory and the Periodic Table

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

• Electron
• Proton
• Neutron
• Neutral

This is a negatively charged particle found outside the nucleus

• Electron
• Proton
• Neutron
• Orbital

The first person to propose a theory about an atom was

• Democritus
• Rutherford
• Dalton
• Aristotle

Some atoms are large enough to see with your eyes.

• True
• False

Subatomic particle that has a negative charge and is located outside of the nucleus.

• Electron
• Proton
• Neutron
• Voltron

True or False: The majority of an atom is made up of empty space

• True
• False

According to Chadwick, what does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

Tags

NGSS.HS-PS1-8

The positive particles of an atom are 

• Electrons 
• Positrons 
• Neutrons 
• Protons 

The central region of an atom where its neutrons and protons are is its 

• Nucleus 
• Electron Cloud
• Core 
• Center 

Tags

NGSS.HS-PS1-8

The word atom comes from a Greek word "atomos" that means

• Invisible
• Indivisible
• Undivided
• Indestructable