โš—๏ธ Interactive Periodic Table โœจ

Explore all 118 elements with interactive Bohr model visualizations and quizzes!

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โš™๏ธ All Metals
๐Ÿ’จ All Non-Metals
โ˜ข๏ธ Radioactive
Alkali Metals
Alkaline Earth Metals
Transition Metals
Post-Transition Metals
Metalloids
Non-Metals
Halogens
Noble Gases
Lanthanides
Actinides
Lanthanides (57-71)
Actinides (89-103)
1 H Hydrogen 1.008
Bohr Model
1

Basic Information

Atomic Number 1
Atomic Mass 1.008 u
Category Non-Metal
Block s
Period 1
Group 1
Radioactivity Stable

Atomic Properties

Electron Configuration 1sยน
Electronegativity 2.20

Physical Properties

State at Room Temp Gas
Melting Point -259.16 ยฐC
Boiling Point -252.87 ยฐC
Density 0.00009 g/cmยณ

Discovery

Discovered By Henry Cavendish (1766)

๐Ÿ’ก Fun Fact

Hydrogen is the most abundant element in the universe!

Select Training Mission

Master the periodic table with targeted quiz challenges

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Atomic Numbers Master

Learn atomic numbers of first 30 elements + famous elements (Gold, Tungsten, etc.).

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Chemical Symbols Master

Memorize chemical symbols for the first 30 elements + famous elements.

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Classic Challenge

Test yourself with a mixed challenge of symbols, names, numbers, and categories.

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