Q38. The symbols of the elements Cobalt. Aluminium, Helium and Sodium respectively written by a student are as following. Which symbol is the correct one
O A) CO
OB) AL
Oc) He
OD SO
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Answer:
It is the correct symbol of Helium; the correct symbols of cobalt, aluminium, and sodium are Co, Al and Na respectively.
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ᴄᴏʙᴀʟᴛ - ᴄᴏ
ᴀʟᴜᴍɪɴɪᴜᴍ-ᴀʟ
ʜᴇʟɪᴜᴍ - He
Sodium- Na
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