about meatals and non-metals??
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generally have 1,2 Or 3 electrons in the valence shell....
good metals can lose electron very easily
good metals are good conductor of heat and electricity
metals always achieve positive change
on them because they donate their electron
NON METALS
generally have 5,6,7 electrons in the valence shell...
non metals cannot lose electron very easily..
non metals are not good conductor of heat and electricity
non metals only receive negative charge on them because they always take electrons from metals and his bond is called ionic bond
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