Spring 2023 Semester Exam Practice

Which subatomic particles are contained in the nucleus of an atom? Select all that apply.

• Protons

• Neutrons

• Electrons

• Deuterons

What are the 3 subatomic particles of atoms? Select all that apply.

• Protons

• Neutrons

• Electrons

• Deuterons

Who is noted as being one of the main influences in organizing the elements into the periodic table?

• Dmitri Mendeleev

• Amedeo Avogadro

• John Dalton

• Robert Boyle

Predict the charge for this element: Sodium.

• +1

• +2

• +3

• -3

• -2

Predict the charge for this element: Calcium.

• +1

• +2

• +3

• -3

• -2

Predict the charge for this element: Boron.

• +1

• +2

• +3

• -3

• -2

Predict the charge for this element: Nitrogen.

• +1

• +2

• +3

• -3

• -2

Predict the charge for this element: Selenium.

• +1

• +2

• +3

• -3

• -2

Predict the charge for this element: Iodine.

• -1

• +2

• +3

• -3

• -2

Predict the charge for this element: Krypton.

• -1

• +2

• 0

• -3

• -2