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Physical properties of Non-Metals
Non-Metals
From negative ions by gaining electrons
5,6 or 7 valence electrons
Phsical Properties of metals
Metals
Form positive ions by losing electrons
1,2 or 3 valence electrons
Metalloids
Solid at room temperature
Hard, strong, metallic lusture
Malleable and Ductile
Good conductors of heat
Sonorous
High Melting and boiling point
High specific gravity
Solid liquid or gas at room
4 Valence electrons
Not so hard and strong, No metallic lusture
Brittle
Poor Conductors of heat and electricity
Not Sonorous
Low melting and boiling point
Low specific gravity
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