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The energy required to dislodge electron from excited isolated H-atom, IE1= 13.6 eV is:
(1) = 13.6eV
(2) > 13.6eV
(3) < 13.6and > 3.4 eV
(4)≤ 3.4 eV
Ans: ≤ 3.4 eV
When sodium and chlorine reacts then: (1) Energy is released and ionic bond is formed (2) Energy is released and a covalent bond is formed (3) Energy is absorbed and ioni
i need help finding information with the element sodium
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