Question

what is the first excitation energy of hydrogen atom ?​

Answer 1

Explanation:

This means to excite hydrogen atom, the energy required to be given to it is E2 – E1 = -3.4 + 13.6 = 10.2 eV. Hence, 10.2 eV is the first excitation energy of the hydrogen atom.

Answer 2

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➦Tʜɪs ᴍᴇᴀɴs ᴛᴏ ᴇxᴄɪᴛᴇ ʜʏᴅʀᴏɢᴇɴ ᴀᴛᴏᴍ, ᴛʜᴇ ᴇɴᴇʀɢʏ ʀᴇϙᴜɪʀᴇᴅ ᴛᴏ ʙᴇ ɢɪᴠᴇɴ ᴛᴏ ɪᴛ ɪs E2 – E1 = -3.4 + 13.6 = 10.2 ᴇV. Hᴇɴᴄᴇ, 10.2 ᴇV ɪs ᴛʜᴇ ғɪʀsᴛ ᴇxᴄɪᴛᴀᴛɪᴏɴ ᴇɴᴇʀɢʏ ᴏғ ᴛʜᴇ ʜʏᴅʀᴏɢᴇɴ ᴀᴛᴏᴍ.

Explanation:

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