7th grade atomic structure

What subatomic particles are located in the nucleus?

• Electrons

• Protons only

• Electrons and Neutrons

• Protons and Neutrons

Which subatomic particle has a positive (+) charge?

• Neutron
• Proton
• Electron

Which subatomic particle has a negative (-) charge?

• Proton
• Electron
• Neutron

Which subatomic particle has a neutral or no charge?

• Proton
• Electron
• Neutron

Where are the Electrons found in the structure of an atom?

• In the nucleus
• In spaces around the nucleus

The subatomic particles in green are...

• Protons
• Neutrons
• Electrons

The Atomic number is known as the _______

• Number of electrons in an atom

• Number of Protons in an atom

• Number of neutrons in an atom

• Number of Protons and electrons in an atom

At what part of the atom is the arrow pointing?

• nucleus

• energy level

• electron

• proton

What is the mass number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

All ____________ are made up of two or more atoms bonded together.

• atoms
• molecules
• electrons
• elements