Periodic Table - 2H

Which subatomic particle has a positive charge?

• Neutron

• Proton

• Electron

Protons and neutrons have about the same mass. True or false?

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What charge do electrons have?

Where is the nucleus located in an atom?

• Near the electron shells

• Near the center of an atom

Which subatomic particle has a neutral or no charge?

What particles make up the nucleus?

• Protons

• Electrons

• Neutrons

How many electrons are in this atom?

Most of the mass of an atom is contained here.

• Electron shells

• Nucleus

• Atomic number

An atom has 10 protons and 10 neutrons, how many electrons does it have?

An atom has 10 protons, which element has this type of atom?

• Ne

• P

• Cl