Thomson's and Rutherford's atomic models.
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Thomson's plum pudding model of the atom had negatively-charged electrons embedded within a positively-charged "soup." Rutherford's gold foil experiment showed that the atom is mostly empty space with a tiny, dense, positively-charged nucleus. Based on these results, Rutherford proposed the nuclear model of the atom.
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- ᴛʜᴏᴍsᴏɴ ᴍᴏᴅᴇʟ ᴏғ ᴀᴛᴏᴍ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴇʟᴇᴄᴛʀᴏɴs ᴀʀᴇ ᴇᴍʙᴇᴅᴅᴇᴅ ɪɴ ᴀ ᴘᴏsɪᴛɪᴠᴇʟʏ ᴄʜᴀʀɢᴇᴅ sᴏʟɪᴅ ᴍᴀᴛᴇʀɪᴀʟ ᴡʜɪᴄʜ ɪs sᴘʜᴇʀɪᴄᴀʟ ɪɴ sʜᴀᴘᴇ .
- ɪᴛ ᴅᴏᴇs ɴᴏᴛ ɢɪᴠᴇ ᴀɴʏ ᴅᴇᴛᴀɪʟs ᴀʙᴏᴜᴛ ᴛʜᴇ ᴀᴛᴏᴍɪᴄ ɴᴜᴄʟᴇᴜs .
- ɪᴛ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴇʟᴇᴄᴛʀᴏɴs ᴀʀᴇ ᴇᴍʙᴇᴅᴅᴇᴅ ɪɴ ᴀ sᴏʟɪᴅ ᴍᴀᴛᴇʀɪᴀʟ .
- ɪᴛ ɪɴᴅɪᴄᴀᴛᴇs ᴛʜᴀᴛ ᴀᴛᴏᴍ ɪs ᴀ sᴘʜᴇʀɪᴄᴀʟ sᴛʀᴜᴄᴛᴜʀᴇ .
- ʀᴜᴛʜᴇʀғᴏʀᴅ's ᴍᴏᴅᴇʟ ᴏғ ᴀᴛᴏᴍ ᴅᴇsᴄʀɪʙᴇs ᴛʜᴀᴛ ᴀɴ ᴀᴛᴏᴍ ɪs ᴄᴏᴍᴘᴏsᴇᴅ ᴏғ ᴀɴ ᴀᴛᴏᴍɪᴄ ɴᴜᴄʟᴇᴜs ᴀɴᴅ ᴇʟᴇᴄᴛʀᴏɴs sᴜʀʀᴏᴜɴᴅɪɴɢ ᴛʜᴇ ɴᴜᴄʟᴇᴜs .
- ɪᴛ ᴇxᴘʟᴀɪɴs ᴀʙᴏᴜᴛ ᴛʜᴇ ᴀᴛᴏᴍɪᴄ ɴᴜᴄʟᴜᴇs .
- ɪᴛ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴇʟᴇᴄᴛʀᴏɴs ᴀʀᴇ ʟᴏᴄᴀᴛᴇᴅ ᴀʀᴏᴜɴᴅ ᴀ ᴄᴇɴᴛʀᴀʟ sᴏʟɪᴅ ᴍᴀᴛᴇʀɪᴀʟ .
- ɪᴛ ɪɴᴅɪᴄᴀᴛᴇs ᴛʜᴀᴛ ᴀɴ ᴀᴛᴏᴍ ʜᴀs ᴀ ᴄᴇɴᴛʀᴀʟ sᴏʟɪᴅ ᴄᴏʀᴇ sᴜʀʀᴏᴜɴᴅᴇᴅ ʙʏ ᴇʟᴇᴄᴛʀᴏɴs .
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