Question

what is nucleus in chemistry​

Answer 1

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ᴛʜᴇ ᴀᴛᴏᴍɪᴄ ɴᴜᴄʟᴇᴜs ɪs ᴛʜᴇ sᴍᴀʟʟ, ᴅᴇɴsᴇ ʀᴇɢɪᴏɴ ᴄᴏɴsɪsᴛɪɴɢ ᴏғ ᴘʀᴏᴛᴏɴs ᴀɴᴅ ɴᴇᴜᴛʀᴏɴs ᴀᴛ ᴛʜᴇ ᴄᴇɴᴛᴇʀ ᴏғ ᴀɴ ᴀᴛᴏᴍ, ᴅɪsᴄᴏᴠᴇʀᴇᴅ ɪɴ 1911 ʙʏ ᴇʀɴᴇsᴛ ʀᴜᴛʜᴇʀғᴏʀᴅ ʙᴀsᴇᴅ ᴏɴ ᴛʜᴇ 1909 ɢᴇɪɢᴇʀ–ᴍᴀʀsᴅᴇɴ ɢᴏʟᴅ ғᴏɪʟ ᴇxᴘᴇʀɪᴍᴇɴᴛ.

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Answer 2

Answer:

The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.