Nechta kimyoviy element bor, 107, 118, 100, , Moddalar necha toifaga bo'linadi, 2, 4, 5, 7, Ion nima, element, zaryadlangan zarra, , atom, Oksid necha turga bo'linadi, 4, 6, 3, , bu nima, ko'lba, probirka, menzurka, .

Leaderboard

Visual style

Options

Switch template

)
Continue editing: ?