Week 6 Presentation Part 1 - Atomic Structure

Multiple Choice

Which subatomic particle has the smallest relative mass?

• Proton

• Neutron

• Electron

• Quark

Open Ended

Explain how the mass and charge of protons, neutrons, and electrons differ from each other.

Multiple Select

Select all statements that are true about the location and charge of subatomic particles in an atom.

• Protons are found in the nucleus and have a positive charge.

• Neutrons are found in the nucleus and have a negative charge.

• Electrons are found in orbitals and have a negative charge.

• Neutrons are found in orbitals and have no charge.

Fill in the Blanks

The atomic number of an element is determined by the number of

in its nucleus.

Multiple Choice

Which statement best describes an element?

• A substance made from atoms with the same number of protons.

• A substance made from atoms with different numbers of protons.

• A substance made from molecules with the same number of electrons.

• A substance made from molecules with different numbers of neutrons.

Multiple Select

Which of the following statements are true about atomic number?

• Atomic number is always a whole number.

• Atomic number equals the number of protons in an atom.

• Different elements can have the same atomic number.

• Atomic number is used to identify isotopes.

Fill in the Blanks

In neutral atoms, the number of electrons is equal to the number of

.