Chemistry I Electrons in Atoms TEST (Ch.5)

The part of the electromagnetic spectrum that humans can see is the

• infrared light
• visible light
• ultraviolet light
• gamma rays

What is the modern depiction / model of the atom?

• Plum Pudding model
• Quantum Model
• Electron Cloud Model
• Planetary Model

Which set lists the suborbitals of each energy level?

• s, p, f, o
• s, p, d, f
• n, l, ml, s
• n, p, d, f

Whenever an excited hydrogen atom fall back from an excited state to its ground state, it __________.

• absorbs a photon of radiation
• emits a photon of radiation
• absorbs specific frequencies of light.

The arrangements of the electrons in the atom is known as

• the Hund's Law
• the electron configuration
• atomic law
• aufbau principle

This rules that single electrons with the same spin must occupy each equal-energy orbital before additional electrons with opposite spins can occupy the same energy level orbitals

• Hund's Rule
• Pauli Exclusion Principle
• Aufbau Principle
• Borh's model

When assigning electrons using the Lewis-Dot Structure or the Electron-Dot Structure, you put the first dot (electron) on the _______________ spot.

• 12 o'clock (top of the symbol)
• 3 o'clock (to the right of the symbol)
• 6 o"clock (bottom of the symbol)
• 9 o'clock (to the left of the symbol)

What group is this unknown element belongs to?

• Group 4A
• Group 5A
• Group 6A
• Group 7A

When electrons change energy states, the amount of energy given off is equal to (what is the formula for the energy of a photon)

• hc
• hv
• n
• cv

A particle that has an outer main energy level fully occupied by eight electrons has a _________________ configuration. This groups satifisfies the octed rule.

• Quantum
• Noble Gas
• Incomplete
• Bohr