Physical Science Practice Final

Which subatomic particle has a positive (+) charge?

• Neutron
• Proton
• Electron

True or False - Protons and Neutrons have about the same mass.

• True - They have about the same mass
• False - They do not have about the same mass

Which subatomic particle has a negative (-) charge?

• Proton
• Electron
• Neutron

Where is the nucleus located in an atom?

• Near the electron shells/levels
• Near the center of an atom

Which two subatomic particles make up the nucleus of an atom?

• Protons and Electrons
• Neutrons and Electrons
• Electrons and Protons
• Protons and Neutrons

Tags

NGSS.HS-PS1-8

How many electron shells/levels does this atom have?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

How many protons does this atom have?

• 3
• 6
• 4
• 2

Tags

NGSS.MS-PS1-1

In this picture, the Electrons are found in which color?

• Blue
• Red
• Green

What part of the atom is indicated by the red sphere?

• nucleus

• electron cloud

• electrons

• neutrons

atomic number

• gas at room temperature, low boiling point

• a subatomic particle that has a negative charge

• number or protons and neutrons

• the number of protons in the nucleus of an atom