Question

materials:matels and non_ matels notes

Answer 1

Those elements which loss electron to form positive ion in chemical reactions is called metal except hydrogen. Metal are malleable, ductile, sonorous l, hard.
Na= Na+ + e-

Those elements which gain electron to form negative ion in chemical reaction called non-metal. They are soft, non ductile, non sonorous.
Cl+e = cl-

Answer 2

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