Question
In the periodic table, calcium, element 20 , is surrounded by elements $12,19,21$, and 38 . Which of these have physical and chemical properties most resembling calcium?
Step 1
Elements in the same group (vertical column) have similar physical and chemical properties due to having the same number of valence electrons. Calcium (Ca) is in Group 2, which is also known as the alkaline earth metals. Now let's check the group of the Show more…
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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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Atomic Theory
Chemical Properties of the Elements and the Periodic Table
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