What is the abbreviation of Helium on the periodic table?
He
What is the shape of an S orbital?
Sphere
How many sig figs are in the number 5556565?
7 sig figs
Electron configuration for chlorine? (start with Noble Gas)
[Ne] 3s^2 3p^5
Water and salt?
Homogeneous Mixture
Where are the Noble Gases located?
Far right (p orbital)
How many electrons does a 2p sub shell have?
6 electrons
How many sig figs are in the number 0.0001
1 sig fig
Electron configuration for calcium? (start with Noble Gas)
[Ar] 4s^2
Rain?
Homogeneous Mixture
What is the name for group 2 elements?
Alkaline Earth Metals
What are the two shapes d orbitals make?
Four-leaf clover & dumbbell with donut/binky.
How many sig figs are in the number 1.089530?
7 sig figs
Electron configuration for scandium? (start with Noble Gas)
[Ar] 4s^2 3d^1
Cereal and Milk?
What orbital has the largest section on the periodic table?
d
How many electrons does 4f have?
14 electrons
How many sig figs are in the number 523.004
6 sig figs
Electron configuration for zinc? (start with Noble Gas)
[Ar] 4s^2 3d^10
Air?
Homogenous Mixture
How many elements are on the periodic table?
118 elements
What are all the names of the orbitals, and how many electrons do they have?
s - 2; p - 6; d - 10; f - 14
How many sig figs are in the number 500.00000?
8 sig figs
Electron configuration for xenon? (start with Noble Gas)
[Kr] 5s^2 4d^10 5p^6
Soil?
Heterogeneous Mixture