Element Properties Lookup

The Element Properties Lookup gives you a full physical and chemical profile for any of the 118 elements on the periodic table — useful for chemistry homework, lab work, or general reference. Select your Search By method — Element Name, Chemical Symbol, or Atomic Number — then choose your element to see its atomic number, chemical symbol, atomic weight, electron configuration, melting point, boiling point, density, and group/period position.

Results

Element Name

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Atomic Number

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Chemical Symbol

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Atomic Weight

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Electron Configuration

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Melting Point

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Boiling Point

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Density

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Group/Period

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Frequently Asked Questions

How do I search for an element by its atomic number?

Select 'Atomic Number' from the search type dropdown, then choose the element name corresponding to your desired atomic number. The tool will display all properties for that element.

What is atomic weight and how is it measured?

Atomic weight is the average mass of an atom of an element, measured in atomic mass units (u). It accounts for the relative abundance of different isotopes of the element.

What does electron configuration tell us about an element?

Electron configuration describes how electrons are distributed in an atom's orbitals. It determines the element's chemical properties and bonding behavior.

Why are melting and boiling points given in Kelvin?

Kelvin is the absolute temperature scale used in scientific measurements. To convert to Celsius, subtract 273.15 from the Kelvin value.

What does the group and period information indicate?

Group refers to the vertical column in the periodic table, indicating elements with similar properties. Period refers to the horizontal row, showing elements with the same number of electron shells.

How accurate are the density values provided?

Density values are given at standard temperature and pressure conditions and represent the most commonly accepted scientific values for pure elements.

Can I find information about radioactive elements?

Yes, the database includes properties for radioactive elements like uranium. Note that some properties may vary due to isotopic differences.

What if I only know part of an element's name or symbol?

Use the dropdown menus to browse through all available elements. The tool includes the most common elements from the periodic table.

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