Newland's Law of Octaves : Assumptions and Limitations
Question 9In ...
Question
Question 9
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?
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Solution
The element with atomic number 12 has same chemical and physical properties as that of calcium. This is because both of them have the same number of valence electrons (2).