Question

Give four drawbacks of Dalton's Atomic theory.​

Answer 1

Answer:

Drawbacks of Dalton's Atomic Theory

The indivisibility of an atom was proved wrong: an atom can be further subdivided into protons, neutrons and electrons. However an atom is the smallest particle that takes part in chemical reactions. According to Dalton, the atoms of same element are similar in all respects.

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Answer 2

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➬ᴅᴀʟᴛᴏɴ's ᴀᴛᴏᴍɪᴄ ᴛʜᴇᴏʀʏ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴀᴛᴏᴍs ᴀʀᴇ ɪɴᴅɪᴠɪsɪʙʟᴇ ʙᴜᴛ ɴᴏᴡ ᴡᴇ ᴋɴᴏᴡ ᴛʜᴀᴛ ᴀᴛᴏᴍs ᴄᴀɴ ʙᴇ ғᴜʀᴛʜᴇʀ ᴅɪᴠɪᴅᴇᴅ ɪɴᴛᴏ ᴍᴜᴄʜ sᴍᴀʟʟᴇʀ ᴘᴀʀᴛɪᴄʟᴇs sᴜᴄʜ ᴀs ɴᴇᴜᴛʀᴏɴ, ᴘʀᴏᴛᴏɴ ᴀɴᴅ ᴇʟᴇᴄᴛʀᴏɴ.

➬ᴅᴀʟᴛᴏɴ's ᴀᴛᴏᴍɪᴄ ᴛʜᴇᴏʀʏ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴀʟʟ ᴀᴛᴏᴍs ᴏғ sᴀᴍᴇ ᴇʟᴇᴍᴇɴᴛ ʜᴀᴠᴇ sᴀᴍᴇ ᴍᴀssᴇs ʙᴜᴛ ɪᴛ ɪs ɴᴏᴡ ғᴏᴜɴᴅ ᴛʜᴀᴛ ᴀᴛᴏᴍs ᴏғ sᴀᴍᴇ ᴇʟᴇᴍᴇɴᴛ ᴄᴀɴ ᴀʟsᴏ ʜᴀᴠᴇ ᴅɪғғᴇʀᴇɴᴛ ᴍᴀssᴇs ғᴏʀ ᴇxᴀᴍᴘʟᴇ ɪsᴏᴛᴏᴘᴇs.

➬ᴅᴀʟᴛᴏɴ's ᴀᴛᴏᴍɪᴄ ᴛʜᴇᴏʀʏ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴀᴛᴏᴍs ᴏғ ᴅɪғғᴇʀᴇɴᴛ ᴇʟᴇᴍᴇɴᴛ ʜᴀᴠᴇ ᴅɪғғᴇʀᴇɴᴛ ᴍᴀssᴇs. ʙᴜᴛ ɪᴛ ɪs ɴᴏᴡ ᴋɴᴏᴡɴ ᴛʜᴇ ᴀᴛᴏᴍs ᴏғ ᴅɪғғᴇʀᴇɴᴛ ᴇʟᴇᴍᴇɴᴛ ᴄᴀɴ ʜᴀᴠᴇ sᴀᴍᴇ ᴍᴀssᴇs.

➬ᴛʜᴇ ᴛʜᴇᴏʀʏ ғᴀɪʟs ᴛᴏ ᴇxᴘʟᴀɪɴ ᴛʜᴇ ᴇxɪsᴛᴇɴᴄᴇ ᴏғ ᴀʟʟᴏᴛʀᴏᴘᴇs; ɪᴛ ᴅᴏᴇs ɴᴏᴛ ᴀᴄᴄᴏᴜɴᴛ ғᴏʀ ᴅɪғғᴇʀᴇɴᴄᴇs ɪɴ ᴘʀᴏᴘᴇʀᴛɪᴇs ᴏғ ᴄʜᴀʀᴄᴏᴀʟ, ɢʀᴀᴘʜɪᴛᴇ, ᴅɪᴀᴍᴏɴᴅ.