Which of the following statements is correct?
...Which of the following statements is correct?
Atomic size decreases down the group
Atomic size increases across the period
Anions are smaller than the parent atom
Cations are smaller than the parent atom
Correct answer is D
A cation is a positively charged ion. This means electron is given out by a cation, hence the cation is smaller than the parent atom.
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In any chemical reaction, the total mass of products is always equal to that of the reactants. Th...
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A binary compound of oxygen with another element is referred to as? ...