How many atoms of group 17 element would be needed react with one atom of a group 2 element? explain
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Ответ:
Ответ:
Ответ:
1)Lithosphere : it comprises all the rock, stones and suck like.
2)Hydrosphere : comprises with the liquid.
3)Biosphere: comprises things we do with the livings.
4)Atmosphere: Air and its compositions.