In the modern periodic table, calcium (atomic number 20) is surrounded – InterviewSolution

InterviewSolution

1.	In the modern periodic table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21 and 38. Which of these have physical and chemical properties resembling calcium ?
Answer» Solution : Elements with atomic number 12 and 38 have 2 electrons in their last SHELL like calcium. So, they will RESEMBLE Ca in their chemical properties.

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