the.com/nonmetallic
The periodic table's anti-shiny crowd: no luster, no clang, just quiet electron-hoarding.
means Describing an element or material that lacks metal's properties — poor conductivity, no shine, and a tendency to gain electrons rather than give.
from From Greek metallon (mine, metal) plus Latin non — literally not-the-mined-stuff, defining things by what they refuse to be.
Electron habitsTends to grab electrons, forming negative ions.
Famous membersOxygen, carbon, nitrogen, sulfur, all the nonmetals.
Bad conductorUsually insulates heat and electricity, unlike metals.
Brittle natureSolids shatter rather than bend or hammer flat.