Classification of Elements in Periodic Table
The 118 elements are arranged in 7 periods and 18 groups as shown above. Further, the elements are divided into different blocks.
Block | Elements Included | Last Electron Subshell Filled |
---|---|---|
s-block | Group 1 (Alkali Metals) | s-subshell |
Group 2 (Alkaline Earth Metals) | ||
p-block | Group 13 (Boron Family) | p-subshell |
Group 14 (Carbon Family) | ||
Group 15 (Nitrogen Family) | ||
Group 16 (Oxygen Family) | ||
Group 17 (Fluorine Family) | ||
d-block | Groups 3 to 12 (Transition Elements) | d-subshell |
f-block | Lanthanides (Rare Earth Elements) | f-subshell |
Actinides |
Periodic Table of Elements
The Periodic table of elements is a systematic arrangement of 118 known chemical elements. These chemical elements are organized in order of increasing atomic number. The horizontal rows from left to right are called periods while the vertical columns from top to bottom are called groups in a periodic table.
Table of Content
- What is Periodic Table ?
- List of Periodic Table Elements
- Important Terms in Periodic Table
- Classification of Elements in Periodic Table
- Mendeleev Periodic Table
- FAQs on Periodic Table of Elements
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