The Atom

This particle is found in the nucleus and has no charge

• Neutron
• Proton
• Electron

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

• Electron
• Proton
• Neutron

This is a negatively charged particle found outside the nucleus

• Electron
• Proton
• Neutron

This contains most of the mass of an atom

• Electron Cloud
• Nucleus
• Electron

Tags

NGSS.MS-PS1-1

All matter is made of what?

• Energy

• Atoms

• Electrons

• Compounds

This is the simplest of all atoms and contains only one proton and one electron

• Oxygen
• Hydrogen
• Water

Which sub-atomic particle contributes basically no mass to an atom?

• Protons

• Neutrons

• Electrons

• Protons and Neutrons

The atomic number for Oxygen is 8, which means.......

• there are 8 protons in the atom

• the atomic mass is less than 8

• the mass of the atom is 8

• the atom is decaying

What are the two types of charge in an atom?

• Positive and Negative
• Neutral and Negative
• Positive and Neutral

The sum of the number of protons and the number of neutrons is called the _____

• Atomic Number

• Mass Number

• Isotope Number

• Average Weight