Room temperature — 77°F. Mercury and bromine are the only liquid elements.
Interactive Periodic Table Explained
On ProcalcAI, the Interactive Periodic Table lets you explore all 118 elements in a layout that’s built for quick discovery and deeper study. You click an element to pull up its key properties, category, and trend context, then use filters to narrow the table by state (solid, liquid, gas), element family, or a specific property you care about. High school and intro-college chemistry students use the Interactive Periodic Table to connect what you’re memorizing in class to patterns you can actually see across periods and groups. If you’re in the lab prepping a materials experiment and need a metal with high electrical conductivity but low density, you can filter down to likely candidates and compare values before you order anything. You start by selecting an element or applying a filter, and you get an instant, readable set of details—atomic number and mass, electron configuration, common oxidation states, and related trends—so you spend less time flipping tabs and more time understanding what the data implies.
What is an Interactive Periodic Table?
An Interactive Periodic Table is a digital periodic table that lets you click or search elements to view properties like atomic number, atomic mass, electron configuration, and common oxidation states. It typically includes filters for groups, blocks, states of matter, and trends such as electronegativity or atomic radius. Many versions also link to isotopes, discovery details, and safety notes.
How many elements are on the periodic table? The modern periodic table contains 118 confirmed elements, from hydrogen (atomic number 1) through oganesson (atomic number 118). Elements 1–94 occur naturally, while elements 95–118 are synthetic — produced in particle accelerators and nuclear reactors. The table is organized by increasing atomic number, with rows (periods) and columns (groups) reflecting electron configuration patterns.
How is the periodic table organized? Elements are arranged in 7 periods (rows) and 18 groups (columns). Elements in the same group share similar chemical properties because they have the same number of valence electrons. Group 1 (alkali metals) are highly reactive. Group 18 (noble gases) are nearly inert. The transition metals fill groups 3–12. Lanthanides and actinides are shown separately below the main table.
What determines an element's position on the periodic table? An element's atomic number (number of protons) determines its position. Dmitri Mendeleev originally organized elements by atomic weight in 1869, but Henry Moseley's 1913 work on X-ray spectra established atomic number as the true organizing principle. This resolved several anomalies in Mendeleev's arrangement.
Periodic Table of Elements
ProCalc.ai's Interactive Periodic Table goes far beyond a static chart. Explore all 118 elements with a temperature-responsive state slider (see which elements are solid, liquid, or gas at any temperature), property heatmaps (color the table by density, electronegativity, melting point, or atomic radius), clickable element cards with full property data, and side-by-side element comparison tools.
This is the most interactive periodic table on the web — not a reference poster, but an exploration tool. Adjust the temperature slider to watch elements change state in real time. Switch heatmap modes to see patterns that textbooks describe but never show. Click any element for its full property card including electron configuration, discovery history, and common uses.
For weight calculations using element densities, our Material Weight Calculator covers metals like steel, aluminum, copper, and titanium. The periodic table links directly to material weight pages for any metallic element.
Periodic Table of Elements — Frequently Asked Questions(8)
Common questions about periodic table of elements.
Last updated Apr 2026
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