Science, asked by fredy7738, 2 months ago

in the modern periodic table calcium (atomic number 20) is surrounded by elements Magnesium Potassium Scandium and Stronium. Which of these have physical and chemical properties resembling calcium

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Answered by PreetVaishnav00

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 ...

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The electronic configuration of Ca(20) is = 2, 8, 8, 2 Number of valance electrons = 2 The elements with atomic number 12 and 38 both have 2 valence electrons ..

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