Which of the following are physical properties of nonmetals? a. they are brittle in the solid form b. most are gases at room temperature c. they have low boiling and melting points d. all of the above are physical properties of nonmetals

Option (D) is correct that all of the above are physical properties of non metals.

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All the above properties are the physical properties of non metals.

Explanation:

The elements in the periodic table can be classified as metals, nonmetals and metalloids based on their physical and chemical properties. The nonmetals are basically the elements present in the chalcogenides groups such as oxygen, nitrogen, chlorine, fluorine etc.

For the most part, the nonmetals exist in solid and gaseous stage just with the exception of bromine which is a fluid nonmetal at room temperature. A portion of the nonmetals can likewise exist in the strong state yet those solids will be weak in nature.

So every one of the alternatives is coordinating with the physical properties of nonmetals.