Questão 4. A matéria classicamente apresenta três estados físicos que podem se converter entre si, pelas transformações físicas. Em relação aos estados físicos da matéria, numere as colunas
(1) Sólido
(2) Líquido
(3) Gasoso
) A matéria apresenta volume bem definido, contudo não possui forma definida, assumindo a forma do frasco que o contém.
( ) A matéria apresenta volume e forma variáveis, devido ao afastamento das partículas que formam a matéria neste estado.
( ) A matéria apresenta elevado grau de ordenamento, possuindo volume e forma bem definidos.
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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.