Atomic Structure Study Guide

What is the charge of a proton?

• Positive

• Neutral

• Negative

• Variable

Where are electrons located in an atom?

• In the nucleus

• In the electron cloud

• In the proton shell

• In the neutron field

What is the average atomic mass of an element?

• The sum of protons and neutrons

• The weighted average of all isotopes

• The number of protons

• The number of electrons

What does the Bohr model help determine about electrons?

• Their mass

• Their charge

• Their wavelength and color of light emitted

• Their speed

Why are different colors of light emitted during flame tests?

• Due to different electron speeds

• Due to different electron charges

• Due to electrons falling from excited to ground states

• Due to protons changing energy levels