Question

What are the three major observations rutherford made in gold foil experiment?

Answer 1

Three major observations were:
-Moat of the particles passed through gold foil without any deflection.
-Few particles were deflected by small angles.
-1 out of 12000 particles bounced back by 180 degree.

Hope this helps you.

Answer 2

✌️✌️ hey mate,

➡️ʜɪs ᴛᴡᴏ ᴘʀɪᴍᴀʀʏ ᴏʙsᴇʀᴠᴀᴛɪᴏɴs 
ᴡᴇʀᴇ:

•ᴍᴏsᴛ α ᴘᴀʀᴛɪᴄʟᴇs ᴘᴀssᴇᴅ sᴛʀᴀɪɢʜᴛ 
ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ɢᴏʟᴅ ғᴏɪʟ, ᴡʜɪᴄʜ sʜᴏᴡᴇᴅ ᴛʜᴀᴛ ᴀᴛᴏᴍs ᴀʀᴇ ᴍᴏsᴛʟʏ ᴇᴍᴘᴛʏ sᴘᴀᴄᴇ.

•sᴏᴍᴇ ᴏғ ᴛʜᴇ α ᴘᴀʀᴛɪᴄʟᴇs ᴡᴇʀᴇ 
ᴅᴇғʟᴇᴄᴛᴇᴅ ᴀᴛ ᴠᴀʀɪᴏᴜs ᴀɴɢʟᴇs, ᴀɴᴅ 
sᴏᴍᴇᴛɪᴍᴇs ᴇᴠᴇɴ ʙᴀᴄᴋ ᴀᴛ ᴛʜᴇ 
ʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ sᴏᴜʀᴄᴇ.

thanks...
nice to help you ✌️✌️