What is the electron configuration for Li?
What is 1s2 2s1
A p orbital is shaped like a .....
figure 8, set of dumbbells, tear drop
What is the electron configuration of Cl?
What is [Ne] 3s2 3p5
An orbital or area an electron hangs out in.
There are three isotopes of magnesium with the masses seen below, why is the average atomic mass of an atom of an element not calculated as seen here?
It does not take into account the percent abundance of each isotope (which occurs more often).
True or False: Purple light travels faster than red light.
False
What is the electron configuration of F?
What is 1s2 2s2 2p5
How many electrons can a s orbital have?
What is 2
What is the electron configuration of Ca?
What is [Ar] 4s2
Why does a 2p orbital have 3 lines associated with it in an orbital diagram?
There are 3 p areas that point different directions.
How do you calculate the average atomic mass of an atom of an element? (Where do the masses on the periodic table come from?)
(Isotope mass x percent abundance) + (Isotope mass x percent abundance) ...
What is happening with the electron in the image seen here?

The electron is dropping energy levels and emitting light.
What is the electron configuration of Al?
What is 1s2 2s2 2p6 3s2 3p1
What is the electron configuration of Zn?
What is [Ar] 4s2 3d10
a p orbital can hold 6 electrons
Chlorine has two isotopes: Chlorine-35 and Chlorine-37. Which is more abundant in nature?
Chlorine-35
As the frequency of a wave decreases, the wavelength _______ and the energy of that wave ________.
What is the electron configuration of Ti?
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d2
How does a 3s orbital compare to a 4s orbital?
4s is larger in size
What is the electron configuration of Ag?
What is [Kr] 5s2 4d9
What element is represented here?
Sulfur
Which is the most abundant isotope of helium?
He-3 or He-4

What causes the colored lines seen in this emission spectrum for hydrogen?
Electrons dropping from higher energy levels to lower energy levels and emitting light (energy).
What is the electron configuration of Ni?
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d8
It is a different shape
What is the electron configuration of Ba?
What is [Xe] 6s2
What element is represented here?
Magnesium
Calculate the average atomic mass of an element that has two isotopes: 35% of 180.1amu and 65% of 182.2amu
181.47amu (This is not a real element.)
Calculate the energy of the light emitted when a teal color at 475nm is seen in an emission spectrum. (Use equations from back of periodic table.)
4.18x10-19J