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प्रश्न
Define the term Relative atomic mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.
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उत्तर
Relative atomic mass [RAM] of an element :
“is the number of times one atom of an element is heavier than 1/12 the mass of an atom of carbon [C12]”
OR
“Mass of an atom of an element as compared with 1/12 mass of an atom of carbon [C12]”
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| Across | Down | ||
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Example 1: Make placards with symbols and valencies of the elements separately. Each student should hold two placards, one with the symbol in the right hand and the other with the valency in the left hand. Keeping the symbols in place, students should criss-cross their valencies to form the formula of a compound.
