Question

differenciate between metals and non metals
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Answer 1

metals.....have 1 2 , 3 in theory last shell

non metals....have 7 6 5 in their last shell

Answer 2

Hey mate...

While metals are good conductors of electricity and heat, non-metals are poor conductors. Unlike non-metals, metals are ductile, which means they can be stretched into wires. Another difference between metals and non-metals, is that the former has a metallic luster, while the other does not.