๐ฌโ๏ธ๐งโ๐ฌ
โ๏ธ๐งช๐จโ๐ฌ
๐๐ซ๐ด๐ข
๐จโ๐ฌ๐๐
โ๏ธ๐๏ธ๐ฆ๏ธ
๐จโ๐ฌโ๏ธ๐งช
๐ฌ๐งโ๏ธ๐จโ๐ซ
#john dalton #atomic theory #atom #dalton atom model