What 钽 means
Chinese element characters use a metal component to mark a metal name. A 1932 chemistry nomenclature manual lists the traditional form 鉭 for tantalum.
For 钽 alone in a message, read it as the element name; the surrounding conversation tells you what prompted it.
Don't confuse it with
1Combination ideas
1Technical term for a tantalum capacitor.
Questions people ask
1Why does 钽 show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type 钽
Windows (Word)
Alt+XType 94BD, then Alt+X to get 钽.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “cjk unified ideograph-94bd”.
Linux
Ctrl+Shift+UType 94bd, then Enter or Space.
HTML
钽CSS
\94BDCodes and encoding1 code points
HTML decimal
钽
HTML hex
钽
CSS content
content: "\94BD";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E9%92%BD
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.