Filling Rules For Electron Orbitals

Question 1

electron are added one at a time to the lowest energy orbitals available untill all the electrons of the atom have been accounted for
-“Lazy Tenant Rule”

Answer 1

Aufbau Principle

Question 2

an orbital can hold a maximum of two electrons.
To occupy the same orbital,two electrons must spin in opposite directions

Answer 2

Pauli Exclusion Principle

Question 3

electrons occupyequal energy orbitals so that a maximum number of unpaired electrons result
-“Empty Bus Seat Rule”

Answer 3

Hund’s Rule

Question 4

Chemical Bonds

Answer 4

Ionic Bond
Covalent Bond
Metallic Bond

Question 5

-bond formed between 2 ions by the transfer of electrons
-formed between metals and non-metals

Answer 5

Ionic Bond

Question 6

Examples of ionically bonded compounds are:

Answer 6

NaCl, CaCl2, K2O

Question 7

-sharing of electrons
-between non-metals
ex. H2O

Answer 7

Covalent Bond

Question 8

-sharing of electrons
-between metals
ex. Fe

Answer 8

Metallic Bond