Question

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Compare 2nd Ionisation Energy of elements in period second ?

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Best Answerer = Multiple ❤​

Answer 1

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The second ionization energy is the energy required to remove an electron from a 1+ cation in the gaseous state.

Just like the first ionization energy, is affected by size, effective nuclear charge, and electron configuration.

We would expect second ionization energies to increase from left to right as the ionic size decreases..

Answer 2

✍︎ANSWER✍︎

ᴛʜᴇ sᴇᴄᴏɴᴅ ɪᴏɴɪsᴀᴛɪᴏɴ ᴇɴᴇʀɢʏ ᴍᴇᴀɴs ᴛʜᴇ ᴇɴᴇʀɢʏ ʀᴇǫᴜɪʀᴇᴅ ᴛᴏ ʀᴇᴍᴏᴠᴇ ᴛʜᴇ ᴇʟᴇᴄᴛʀᴏɴ ғʀᴏᴍ ᴛʜᴇ ᴄᴏʀʀᴇsᴘᴏɴᴅɪɴɢ ᴍᴏɴᴏᴠᴀʟᴇɴᴛ ᴄᴀᴛɪᴏɴ ᴏғ ᴛʜᴇ ʀᴇsᴘᴇᴄᴛɪᴠᴇ ᴀᴛᴏᴍ. ғᴏʀ ɪᴇ2, ᴇʟᴇᴄᴛʀᴏɴɪᴄ ᴄᴏɴғɪɢᴜʀᴀᴛɪᴏɴ ᴏғ ᴄ+,ɴ+,ᴏ+ᴀɴᴅ ғ+-ɪᴏɴs ᴡʜɪᴄʜ ᴀʀᴇ ᴀs ғᴏʟʟᴏᴡs.

ᴄ+=2s2,2ᴘ1

ɴ+=2s2,2ᴘ2

ᴏ+=2s2,2ᴘ3

ғ+=2s2,2ᴘ4.

∵ ᴏ+ ɪs ʜᴀʟғ-ғɪʟᴇᴅ ᴄᴏɴғɪɢᴜʀᴀᴛɪᴏɴ, ᴏʙᴠɪᴏᴜsʟʏ ɪᴛ ɪs ᴍᴏsᴛ sᴛᴀʙʟᴇ ᴀɴᴅ ɢʀᴇᴀᴛᴇʀ ɪᴏɴɪsᴀᴛɪᴏɴ ᴇɴᴇʀɢʏ ᴛʜᴀɴ ғ+ ᴀs ᴡᴇʟʟ ᴀs ɴ+.

ᴛʜᴇ ɪᴏɴɪsᴀᴛɪᴏɴ ᴇɴᴇʀɢʏ ᴏғ ᴀɴ ᴇʟᴇᴍᴇɴᴛ ᴅᴇᴘᴇɴᴅs ᴜᴘᴏɴ ɪᴛs sɪᴢᴇ ᴀs. ʜᴇɴᴄᴇ, ᴄᴏʀʀᴇᴄᴛ ᴏʀᴅᴇʀ ᴡɪʟʟ ʙᴇ, ᴏ>ғ>ɴ>ᴄ.

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