The gas obtained by Group I is hydrogen. It is colorless, odorless, and combustible.
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The fixed proportion of elements in a compound ensures that it possesses specific chemical and physical properties unique to that compound. This fixed ratio is essential for maintaining the compound’s stability and defining its chemical identity.
When two or more elements are combined chemically, they form a compound. This compound has properties distinct from those of its constituent elements.
Boron, silicon, and germanium are examples of elements that exhibit properties intermediate between metals and nonmetals. They are classified as metalloids.
A compound is a substance composed of two or more elements chemically combined with each other in a fixed proportion.