1) TARAPUR - maharastra
2)RAWABHATA. - Rajasthan
3)KUDANKULAM. -. Tamil nadu
4)KAIGA. -. Karnataka
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the circular dark ring is formed on the slide by deposition of unburnt carbon particles present (middle) luminous zone of the candle. the copper wire takes the least time to become red hot when introduced into the (outermost) non luminous zone of the flame as zone has the temperature.
metals : - those elements have tendency to loose electrons and form cations is called metals.
ex: - sodium, potassium, etc.
scientific reasons : - the last shell of any metals contain one, two, or three electrons can easily loose to become stable.
group number = number of electrons in their valence shell.
metal in group 1 have only one electrons in their outermost shell so, are more reactive in nature than metals of other groups.
non - metals : - those elements have tendency to gain electrons and form anion is called non - metals.
ex : - chlorine, fluorine, oxygen, nitrogen.
their outermost shell contains 5,6,7 electrons.
for non metals : -
group number = 10 + valence electrons.
non - metals of group 17 are reactive metals are known as more electronegative elements because can snatch electrons from any metals and form anion to become stable.
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