We've got 18 to choose from. From the beginning we've been asked, "Why only cover 18?" The rules for the first 18 elements are very straight-forward. (1) Electrons fit nicely into three shells. (2) These elements make up most of the matter in the universe. (3) It's a lot easier to remember facts about 18 elements than over 100 elements.

THE LIST

Element 1: Hydrogen
Element 2: Helium
Element 3: Lithium
Element 4: Beryllium
Element 5: Boron
Element 6: Carbon
Element 7: Nitrogen
Element 8: Oxygen
Element 9: Fluorine
Element 10: Neon
Element 11: Sodium
Element 12: Magnesium
Element 13: Aluminum
Element 14: Silicon
Element 15: Phosphorus
Element 16: Sulfur
Element 17: Chlorine
Element 18: Argon

MORE THAN 18?

Yes, it's true. After these many years, we have added elements 18-36 to our list of elements. You can learn about element origins, pronunciation, atomic structure, and locations. This next set of elements is from the fourth period/row of the table. Be aware... The easy rules don't apply here. We tried to make things as simple as possible.

Element 19: Potassium
Element 20: Calcium
Element 21: Scandium
Element 22: Titanium
Element 23: Vanadium
Element 24: Chromium
Element 25: Manganese
Element 26: Iron
Element 27: Cobalt
Element 28: Nickel
Element 29: Copper
Element 30: Zinc
Element 31: Gallium
Element 32: Germanium
Element 33: Arsenic
Element 34: Selenium
Element 35: Bromine
Element 36: Krypton

RELATED LINKS

- Biology4Kids: Scientific Method
- Geography4Kids: Nutrient Cycles
- Geography4Kids: Biosphere

-	Overview
-	Periodic Table
>	Element List
-	Families
-	Halogens
-	Inert Gases
-	Metals
-	Alkali Metals
-	Alkaline Earth
-	Transition Metals
-	Lanthanide
-	Actinide
	MORE CHEMISTRY TOPICS

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