find the mode of data:
Class 10 – 14 14 – 18 18 – 22 22 – 26 26 – 30
frequency 5 11 16 25 19
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In chemistry, a radical is an atom, molecule, or ion that has an unpaired valence electron. With some exceptions, these unpaired electrons make radicals highly chemically reactive. Many radicals spontaneously dimerize. Most organic radicals have short lifetimes.
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answer is 16 ........ ................................... .
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