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Question
Which amongst the following elements has the largest atomic size?
Which amongst the following elements has the largest atomic size?
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Solution
The correct option is A Beryllium
The atomic size of an atom is the distance between the nucleus and the outermost shell of an atom. Atomic size reduces across a period from left to right in the modern periodic table. Beryllium, carbon, oxygen and fluorine belong to the second period of the modern periodic table. Since beryllium is placed at the leftmost side of the second period, therefore it has the largest atomic size.
The atomic size of an atom is the distance between the nucleus and the outermost shell of an atom. Atomic size reduces across a period from left to right in the modern periodic table. Beryllium, carbon, oxygen and fluorine belong to the second period of the modern periodic table. Since beryllium is placed at the leftmost side of the second period, therefore it has the largest atomic size.
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