Atoms

What subatomic particles would you find in the nucleus of an atom?

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

What subatomic particle is electrically neutral (no charge)?

• Proton
• Ion
• Neutron
• Electron

What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?

• 22
• 11
• 34
• 23

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

• 10
• 20
• 30

Which subatomic particles contribute the most to the mass of an atom?

• Protons, Neutrons, Electrons
• Protons only
• Protons and Electrons
• Protons and Neutrons

The smallest particle of any type of matter is known by which of the following terms?

• Element
• Compound
• Atom
• Chemical

What subatomic particle is positively charged and is located inside of the nucleus?

• Proton
• Neutron
• Electron
• Ion

Where are electrons of an atom found?

• Nucleus
• Electron Cloud
• Some are in the nucleus and some in the electron cloud.
• They are moving everywhere.

Electrons have this type of charge?

• negative
• positive
• neutral

What is the atomic number for an element with three protons?

• 2
• 1
• 3
• 6