Question

an ion x²contains 10 electrons and 8 neutrons . find out its mass no. , atomic number and name of the element​

Answer 1

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ᴛʜᴇʀᴇ ᴀʀᴇ 10 ᴇʟᴇᴄᴛʀᴏɴs.

ᴛʜᴇʀᴇғᴏʀᴇ , ɴᴜᴍʙᴇʀ ᴏғ ᴘʀᴏᴛᴏɴs = 10

ᴛʜᴇʀᴇғᴏʀᴇ , ᴀᴛᴏᴍɪᴄ ɴᴜᴍʙᴇʀ = 10

ᴍᴀss ɴᴜᴍʙᴇʀ = 10 + 10 = 20

ᴇʟᴇᴍᴇɴᴛ = ɴᴇᴏɴ (ɴe)