cibitoye8627
19.06.2021 •
Chemistry
In the periodic table,
have common properties,
periods
both groups and periods
neither groups nor periods
groups
Solved
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Ответ:
both groups and periods
Ответ:
groups
Explanation:
Elements in the same group have similar chemical properties because they have the same number of outer electrons and the same valency
Ответ:
No convection cells are formed when the burner is off because there is no heat to make convection cells and you need heat in order to produce convection cells.