200A Exam 1 Review

Orbital Theory

100

Describe the probability of electrons' locations

What is an Orbital

200

The maximum number of electrons that can be in the 3d sublevel.

What is 10

300

The number of f orbials in a sublevel

What is 7

400

Says that electrons in an orbital must have opposite spins.

Pauli Exclusion Principle

500

The number of orbitals in the n = 4 energy level.

What is 16

Electron Transitions

100

Electromagnetic radiation is characterized by these three properties

wavelength, frequency and energy

200

distance between the two consecutive peaks of a wave

wavelength

300

wavelength x frequency = ?

c (speed of light)

400

What equation is used to calculate electronic transition from n = 3 to n =5 of hydrogen atom?

delta E = -2.178x10^-18 J (1/n_f² - 1/n_i²)

500

If electron is moving from n = 6 to n = 2, is the energy absorbed or released for this transition?

released

Element/Atom

100

This element has the atomic symbol Rb.

Rubidium (Rb)

200

We live in the nucleus of an atom.

protons and neutrons

300

Determine the number of protons, neutrons and electrons of Boron-10

5 protons

5 neutrons

5 electrons

400

With a mass number of 39 and 20 neutrons in my nucleus, I am a very reactive metal.

Potassium (K)

500

I am the head of my family in the Halogens, and an important element in helping fight tooth decay.

fluorine

Electron Configurations

100

I describe the locations of electrons in an atom. What am I?

Electron Configurations

200

The electron configuration for Chlorine.

What is 1s2 2s2 2p6 3s2 3p5

300

What is the electron configuration of Al?

1s^2 2s^2 2p^6 3s^2 3p^1

400

What is electron configuration of Cu?

[Ar]4s1 3d10

500

What is short-hand notation of Au?

[Xe] 6s1 4f14 5d10