yuánzì Chinese characters of the chemical elements

péng

“friend, pal, acquaintance”

On its own, an ordinary character; Cantonese pang4. Readings and gloss from the Unicode Unihan database.

Carries Boron

stone → solid non-metal
+
péng
=
péng · B 5

Not a plain transliteration: the component was chosen for its meaning, or the name is older than the system.

The element keeps the component’s reading exactly.