https://padlet.com/stefivasilcin/jyxev3yb4148 en-us 2018-09-24 16:26:03 UTC 2018-09-24 17:13:01 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Templeball.png stefivasilcin https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285128063 Fierul este cel mai des întâlnit metal de pe Pământ.]]> 2018-09-24 16:30:33 UTC https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285128063 stefivasilcin https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285130573 Cuvântul  metal iși are originile in limba greacă, însemnand a excava .]]> 2018-09-24 16:34:01 UTC https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285130573 stefivasilcin https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285132661 Primul metal descoperit de om a fost cuprul.]]> 2018-09-24 16:36:33 UTC https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285132661 stefivasilcin https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285133590 Cuprul ,la temeratura camerei este singurul metal care are formă lichidă.]]> 2018-09-24 16:38:20 UTC https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285133590 stefivasilcin https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285135750 Iridiumul este unul dintre cele mai rare metale de pe Pământ.]]> 2018-09-24 16:40:57 UTC https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285135750 stefivasilcin https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285138900 30 grame de iridium costă 1050$.]]> 2018-09-24 16:45:44 UTC https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285138900 stefivasilcin https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285143767 De-a lungul timpului s-au excavat  161000 tone de aur.

]]> 2018-09-24 16:53:00 UTC https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285143767 stefivasilcin https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285154071 Știința care se ocupă cu studiul metalelor se numește metalurgie.]]> 2018-09-24 17:10:30 UTC https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285154071 stefivasilcin https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285154848 Aurul pur are 24 karate.]]> 2018-09-24 17:12:02 UTC https://padlet.com/stefivasilcin/jyxev3yb4148/wish/285154848