- Alkali Metal
- Alkaline earth
- Transition metal
- Post transition metal
- Metaloid
- Non-Metal
- Noble gas
- Actinide
- Lanthanide
What are transition metals?
- They have valence electrons in two shells instead of one. In the periodic table, they are found in the middle.
What are Alkali metals?
- They are reactive and have a positive electrical charge. They are found on the left side of the periodic table.
What are noble gases?
- They are odourless and has a low chemical reactivity. They are found on the right side of the periodic table.
94 of the elements in the periodic table happen in nature while the rest are man-made.
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