Show:
Orbitals
# of electrons
Which Principle?
Configurations
Miscellaneous
100
How many orbitals are in the p subshell?
3
100
One orbital
2 electrons
100
Electrons fill starting with the lowest energy level
Aufbau Principle
100
1s^2 2s^2
Helium (He)
100
What is a positively charged ion called?
Cation
200
How many orbitals are in the d subshell?
5
200
the p subshell
6 electrons
200
Electrons in an orbital must have opposite spins (arrow up/arrow down)
Pauli's exclusion principle
200
1s^2 2s^2 2p^4
Oxygen (O)
200
What is a negatively charged ion called?
Anion
300
In the following orbital configuration, how many valence electrons are there?
7
300
2nd energy level
8
300
Orbitals half fill then fully fill. (Hint: like seats on a bus)
Hund's rule
300
1s^2 2s^2 2p^6 3s^2 3p^1
Aluminum (Al)
300
What is the charge of a neutral atom that LOSES 2 electrons
+2
400
In the following orbital configuration, how many orbitals have PAIRED electrons
2
400
d subshell
10 electrons
400
Which principle is broken in the following example?
Aufbau principle
400
Configuration 4
Chlorine
400
What is 224,000 in scientific notation?
2.24 x 10^5
500
In the following orbital configuration, how many orbitals have UNPAIRED electrons?
3
500
How many VALENCE electrons do the noble gases have?
8 electrons
500
Which principle is broken in the following example
Pauli's exclusion principle
500
Configuration 5
Silicon
500
What is .00015 in scientific notation?
1.5 x 10^-4