Atom Review

What is contained in the nucleus of an atom?

• Neutrons

• Electrons & Neutrons

• Protons

• Protons & Neutrons

Protons, neutrons and electrons are known as _____.

• Atomic Particles

• Subatomic Particles

• Atomic Pieces

• Subatomic Charges

What is the ATOMIC NUMBER for Argon?

• 18

• 39.948

• 40

• 22

What is the ATOMIC MASS of Argon (Rounded)?

• 18

• 39.948

• 40

• 22

How many ELECTRONS does a neutral atom of Argon have?

• 18

• 39.948

• 40

• 22

How do protons determine an atom's identity?

• Number of protons does not matter

• Number of protons determines the mass

• Number of protons determines the element

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.

Which of the following is a positively charged particle found in the nucleus of an atom?

• Electron

• Proton

• Neutron

• Quark

Which particle carries no charge?

• Neutrons

• Electrons

• Protons

Which is the smallest?

• electron
• proton
• atom
• neutron