Question

describe nucleus ???​

Answer 1

Answer:

The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus.

Answer 2

ᴛʜᴇ ɴᴜᴄʟᴇᴜs ɪs ᴀɴ ᴏʀɢᴀɴᴇʟʟᴇ ғᴏᴜɴᴅ ɪɴ ᴇᴜᴋᴀʀʏᴏᴛɪᴄ ᴄᴇʟʟs. ɪɴsɪᴅᴇ ɪᴛs ғᴜʟʟʏ ᴇɴᴄʟᴏsᴇᴅ ɴᴜᴄʟᴇᴀʀ ᴍᴇᴍʙʀᴀɴᴇ, ɪᴛ ᴄᴏɴᴛᴀɪɴs ᴛʜᴇ ᴍᴀᴊᴏʀɪᴛʏ ᴏғ ᴛʜᴇ ᴄᴇʟʟ's ɢᴇɴᴇᴛɪᴄ ᴍᴀᴛᴇʀɪᴀʟ. ᴛʜɪs ᴍᴀᴛᴇʀɪᴀʟ ɪs ᴏʀɢᴀɴɪᴢᴇᴅ ᴀs ᴅɴᴀ ᴍᴏʟᴇᴄᴜʟᴇs, ᴀʟᴏɴɢ ᴡɪᴛʜ ᴀ ᴠᴀʀɪᴇᴛʏ ᴏғ ᴘʀᴏᴛᴇɪɴs, ᴛᴏ ғᴏʀᴍ ᴄʜʀᴏᴍᴏsᴏᴍᴇs.