In the modern periodic table, magnesium is surrounded by elements with atomic number 4, 11, 13 and 20. Identify the elements. Which of these have chemical properties resembling magnesium?
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Solution
The elements belonging same group have resembling chemical properties. Out of the 4 elements surrounding Mg, element of atomic number 4 and 20 belong to same groups of Mg. So, their properties resemble Mg.