Вопрос 32

Which statements fit the school-level classification of metalloids? Select all that apply.

They combine some metallic and nonmetallic properties.Правильный ответ
They form a fourth physical state of matter.
They are identical in behavior to all metals.
Their classification reflects a mixture of property types.Правильный ответ

Объяснение

Metalloids are described by their mixture of metallic and nonmetallic characteristics, so both mixed-property statements fit. The term is a material classification, not a state of matter, and it does not mean complete identity with metals.

Объяснение

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