Name/State the following. [5] i. Formula of Epsom salt. ii. Absolute temperature of a gas at 70C. iii. Three isotopes of Hydrogen. iv. A noble gas with duplet arrangement of electrons. v. Shell closest to the nucleus.
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1)MgSO4
3) Protium, Deuterium, Tritium
4)Helium
5)Innermost shell (K shell)
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