Write valency electronic configuration of 20 elements ?
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Explanation:
20 ..........Calcium ..........
k shell - 2
L shell - 8
M shell - 8
N shell - 2
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Write valency electronic configuration of 20 elements ?
Vᴀʟᴇɴᴄʏ ᴏғ Fɪʀsᴛ ➌⓿ Eʟᴇᴍᴇɴᴛs
Eʟᴇᴍᴇɴᴛ -------- Aᴛᴏᴍɪᴄ Nᴜᴍʙᴇʀ ----- Vᴀʟᴇɴᴄʏ
Vᴀʟᴇɴᴄʏ ᴏғ Aʀɢᴏɴ ----➊➑ ------------------ ⓿
Vᴀʟᴇɴᴄʏ ᴏғ
Pᴏᴛᴀssɪᴜᴍ (K) ----------- ➊➒ ------------------------➊
Vᴀʟᴇɴᴄʏ ᴏғ
Cᴀʟᴄɪᴜᴍ -------------➋⓿ ---------- ➋
Vᴀʟᴇɴᴄʏ ᴏғ
Sᴄᴀɴᴅɪᴜᴍ -------- ➋➊ ----------- ➌
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