Dhaatu

"Dhaatu" element ke uu group hae jiske ii property rahe hae.

1. Ii electricity aur heat conduct kare hae
2. Ii chamke hae
3. Iske wire me sahaj ke khicha jaae sake hae
4. Iske ek sheet me sahaj se pita jaae sake hae.

Jaada metal, room ke temperature me solid ahe hae lekin Mercury ek liquid hae. Alloy uu rakam ke mixture hae jisme kamti se kamti ek element meal hae. Kuchh khaas metal hae; aluminium, copper, iron, tin, gold, lead, silver, titanium, uranium, and zinc. Kuchh khaas ally hae bronze aur steel.