Unit 4 Test Review (E-, EM Spectrum, and Periodic Table)

If given the frequency and solving for wavelength, Which method would you use to solve?

• multiply speed of light times frequency

• divide speed of light by frequency

• multiply frequency by wavelentgth

• multiply Planck's constant by energy

What is the correct noble-gas notation for Chlorine's electron configuration?

• [Ar]3s²3p⁵

• [Ne]3s²3p⁴

• [Ar]3s²3p⁴

• [Ne]3s²3p⁵

What is the correct electron configuration for Nitrogen, which has 7 electrons?

• 1s²2s²2p³

• 1s²2s²2p³3s¹

• 1s²2s³2p²

• 1s²2s⁵

Within an orbital , what direction will the electrons (arrows) always face?

• face each other (same spin)

• face away from each other (opposite spins)

What is the highest occupied energy level in a Strontium atom in its ground state?

• 6

• 5

• 4

• 3

How many electrons can a d sublevel contain?

• 10

• 6

• 2

• 16

The person whose work led to a periodic table based on increasing atomic NUMBER was

• Cannizario

• Mendeleev

• Moseley

• Rutherford

If given only the frequency, how can you calculate the ENERGY of radiation?

• multiply the frequency by the wavelength

• multiply the wavelength by Planck's constant

• multiply the frequency by the speed of light

• multiply the frequency by Planck's constant

__________behave like particles but are energy and have not mass, and ________ are particles that behave like waves.

• electrons, protons

• protons, electrons

• photons, electrons

• electrons, photons

Radiation travels through space as waves, but can also be described as a stream of particles. This is known as ---

• electromagnetic particles

• Heisenberg's Uncertainty Principle

• Schrodinger's Equations

• Wave-particle duality