Atoms Year 10

What is an atom?

• The basic building block of all matter

• A large molecule

• A type of molecule

• A complex compound

What are groups of atoms held together called?

• Elements

• Compounds

• Molecules

• Mixtures

Which of the following is a subatomic particle found in an atom?

• Molecules

• Protons

• Compounds

• Ions

What is the center of an atom called?

• Electron shell

• Proton

• Nucleus

• Neutron

Where does most of the mass of an atom come from?

• Electron shell

• Nucleus

• Electrons

• Outer space

What are the three subatomic particles of an atom?

• Electron, Proton, Neutron

• Electron, Proton, Photon

• Neutron, Proton, Photon

• Electron, Neutron, Photon

Which part of the atom is negatively charged?

• Proton

• Neutron

• Electron

• Photon

Where in an atom is a proton found?

• Electron cloud

• Nucleus

• Outer shell

• Valence band

Where are neutrons located in an atom?

• In the electron cloud

• In the nucleus alongside protons

• Orbiting the nucleus

• Outside the atom

Which of the following symbols represents a neutron?

• p or p+

• n or n0

• e or e-

• n or n+