Vocabulary
Hydrogen
H.
A simple chemical rule of thumb that states that atoms tend to combine in such a way that they each have eight electrons in their valence shell in order to feel "complete"
What is The Octet Rule
Calcium
Ca:
NH3
..
H-N-H
|
H
Explain why elements are placed in groups
What is The elements in a group have the same number of electrons in their outer orbital
CH3
..
H-C-H
|
H
Elements are defined by the number of ______ they possess.
What is Protons
H2O
..
H-O-H
..
How many groups are in the periodic table ?
What is 18