Mahsulot tavsifi
Study the periodic system of elements, the relationship of the periodic system of elements with the structure of atoms. The composition of the periodic system: periods, groups, S, P, D, and F - the placement of elements in groups. The similarity of the properties of elements in the periodic system in horizontal, vertical, and diagonal directions. The periodic change in the properties of elements
#atom tuzilishi#davriy sistemasi#elementlar
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