互动元素周期表

互动元素周期表帮助您在浏览器中快速获得结果 — 免费且无需注册。

Kids & science learning

Explore the periodic table

Search by name, symbol, or atomic number. Tap any element to learn its group, period, and category — fun for students and curious kids.

118elements shown

Find an element

Element quick quiz

Question 1 of 10 Select “Start quiz” when ready.

Your answer

Tips and tricks

Read the table faster

Groups go down

Elements in the same column often share chemical behavior and valence patterns.

Periods go across

Each row represents a new principal electron shell being filled.

Know the blocks

The s, p, d, and f blocks indicate which electron subshell receives the final electron.

Use the staircase

Metalloids sit near the zig-zag boundary between metals and nonmetals.

Useful periodic-table patterns

Atomic radiusGenerally increases down a group and toward the left.

ElectronegativityGenerally increases upward and toward fluorine.

Ionization energyGenerally increases upward and toward the right.

Keyboard tipTab to move between matching elements; Enter opens details.

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