In the Modern Periodic Table, the element calcium has an atomic number 20, so it has 2, 8, 8, 2 electronic configurations. Therefore, this two valance electron containing element is identical to the element calcium.
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?
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?