Describe Rutherford's contribution to the atomic model
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scientists started to realize that the atom is not ultimately a single particle, but is made up of far smaller subatomic particles. Subsequent research determined the exact atomic structure which led to Rutherford's gold foil experiment. Scientists eventually discovered that atoms have a positively charged nucleus (with an exact atomic number of charges) in the center, with a radius of about 1.2 × 10−15meters × [Atomic Mass Number] 1⁄3. Electrons were found to be even smaller.
Later, scientists found the expected number of electrons (the same as the atomic number) in an atom by using X-rays. When an X-ray passes through an atom, some of it is scattered while the rest passes through the atom. Since the X-ray loses its intensity primarily due to scattering at electrons, by noting the rate of decrease in X-ray intensity, the number of electrons contained in an atom can be accurately estimated.
Later, scientists found the expected number of electrons (the same as the atomic number) in an atom by using X-rays. When an X-ray passes through an atom, some of it is scattered while the rest passes through the atom. Since the X-ray loses its intensity primarily due to scattering at electrons, by noting the rate of decrease in X-ray intensity, the number of electrons contained in an atom can be accurately estimated.
anessagrund:
Ok thank you! Is there any way to shorten that to my understanding?
ya as we know he did golden foil experiment
Thank you!! You helped alot!!
which give the idea of other me things I.e. proton
other things
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ᴀᴄᴄᴏʀᴅɪɴɢ ᴛᴏ ᴛʜᴇ ʀᴜᴛʜᴇʀғᴏʀᴅ ᴀᴛᴏᴍɪᴄ ᴍᴏᴅᴇʟ: ᴛʜᴇ ᴘᴏsɪᴛɪᴠᴇʟʏ ᴄʜᴀʀɢᴇᴅ ᴘᴀʀᴛɪᴄʟᴇs ᴀɴᴅ ᴍᴏsᴛ ᴏғ ᴛʜᴇ ᴍᴀss ᴏғ ᴀɴ ᴀᴛᴏᴍ ᴡᴀs ᴄᴏɴᴄᴇɴᴛʀᴀᴛᴇᴅ ɪɴ ᴀɴ ᴇxᴛʀᴇᴍᴇʟʏ sᴍᴀʟʟ ᴠᴏʟᴜᴍᴇ. ʜᴇ ᴄᴀʟʟᴇᴅ ᴛʜɪs ʀᴇɢɪᴏɴ ᴏғ ᴛʜᴇ ᴀᴛᴏᴍ ᴀs ᴀ ɴᴜᴄʟᴇᴜs. ʀᴜᴛʜᴇʀғᴏʀᴅ ᴍᴏᴅᴇʟ ᴘʀᴏᴘᴏsᴇᴅ ᴛʜᴀᴛ ᴛʜᴇ ɴᴇɢᴀᴛɪᴠᴇʟʏ ᴄʜᴀʀɢᴇᴅ ᴇʟᴇᴄᴛʀᴏɴs sᴜʀʀᴏᴜɴᴅ ᴛʜᴇ ɴᴜᴄʟᴇᴜs ᴏғ ᴀɴ ᴀᴛᴏᴍ.
HOPE this helps ☺️
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