In the periodic table, calcium is next to potassium, but its chemical properties are closer

| March 8, 2021 | education

In the periodic table, calcium is next to potassium, but its chemical properties are closer to those of sodium, which is in a different period. Explain why?

The periodic table is composed in such a way that elements with similar properties are located in one group. This is due to the fact that the elements of one group (main subgroup) have the same number of electrons on the external electronic level. It is due to the electrons of the external level that bonds are formed between the elements, which means that elements that have the same electronic configuration of the external level will exhibit similar chemical properties. Sodium is similar to potassium because they are both in the first group. Calcium differs from them, as it is in the second group.



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