•The atomic mass of an element is four more than the double of its atomic number. If the atomic mass
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The mass number of an element X is twice the mass number of element Y.
How many moles of element X will contain the same number of atoms as 1 mole of element Y?The mass number of an element X is twice the mass number of element Y.
How many moles of element X will contain the same number of atoms as 1 mole of element Y?
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The electronic prime configuration of element is 1s² 2s² 2p²
Its atomic numbes (2) is 8 and mass number (A) is 16. The element oxygen
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