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What is an atom?

• The largest unit of matter.

• The smallest unit of matter.

• A banana

What is found in the nucleus of an atom?

• Protons

• Electrons

• Protons and Electrons

• Protons and Neutrons

What charge does an electron have?

• Positive

• Neutral

• Negative

A neutron has what charge?

• Positive

• Neutral

• Negative

What charge does an electron have?

• Negative

• Positive

• Neutral

What element has only one electron?

• Helium

• Carbon

• Lithium

• Hydrogen

How many electrons can the first energy level of an atom hold?

• Six
• Four
• Two
• Eight

Where are protons and neutrons located within an atom?

• In the first energy level
• In the outermost shell
• In the nucleus
• In the electron cloud

Which subatomic particle is negative in charge and does not contribute to the mass of an atom?

• Protons
• Neutrons
• Electrons
• Isotopes

What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium