How many molecules of water, h2o, are present in 75.0 g of h2o?
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Ответ:
Explanation:
Metalloids are the elements which show properties of both metals and non-metals.
In a periodic table, the elements on the left are metals and the elements on the right are non-metals. The elements placed between metals and non-metals are metalloids.
Out of the give options, polonium (Po), silicon (Si), and antimony (Sb) are metlloids.
Whereas selenium (Se), iodine (I), and phosphorous (P) are non-metals.
Tin (Sn) is a metal.