Among the chemical elements Na – K – Ca – Mg, what happens to the metallic properties?
| January 31, 2021 | education
Answer: at first, the metallic properties are enhanced, and then they are weakened.
Explanation of the solution: according to the periodic law of D.I.Mendeleev, when moving along the group from top to bottom, the metallic properties increase (therefore, when moving from bottom to top, they weaken), and when moving along the period from left to right, the metallic properties also weaken.
When moving along the periodic system of D.I.
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