column-A column-B i) valance electron a. Chlorine ii) Meteorological balloons b. Coal iii) Diatomic c. Electron present in outermost shell iv) Member of group 17 d. Helium V) Thermal power plant e. Oxygen (sft zd vts w b)
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- Valence electron - electron present in the outermost shell.
- Meteorological balloons - helium
- Diatomic - oxygen
- Member of group 17 - chlorine
- Thermal power plant - coal
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ok I will come but only for to three minutes because first test then friend
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