Trends
name that element
How many Valence???
100

if you go in either of these directions on the table the elements increase in radius

down and right

100

Has the least number of protons

Hydrogen

100

How many valence electrons does Hydrogen have?

1

200

if you go in either of these directions the electronegativity (likelihood of bonding) will increase

up and right

200

Most electronegative element

Flourine

200

How many valence electrons does Lithium have?

1

300

This group is where you'll find the most stable elements in the periodic table

Group 8

300

has 79 protons

Au-gold


(Au- for the latin Aurum meaning gold)

300

How many valence electrons does Potassium have?,

how many does it need to fill its shell?

1,7

400

In this group you'll find the most chemically stable (least electronegative) elements

Group 8 (noble gasses)

400

The noble gas with the least protons

Helium

400

How many valence electrons does yttrium have?

2

500

in this section the orbitals are filling up the d and f orbitals

lanthanides and actinides (descriptions of these sections also count)

500

The least electronegative element

Francium

500

How many valence electrons does Neon have?

0