transitional metals

How Many Valence Electrons Does Period 4 Have?

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How Many Valence Electrons Does Period 4 Have? Periodic table group Valence Electrons Group 14 (IV) (carbon group)4 Group 15 (V) (pnictogens) 5 Group 16 (VI) (chalcogens) 6 Group 17 (VII) (halogens) 7 How many valence electrons do the atoms in period 4 have? Periodic table block Periodic table group Valence electrons p Group 13

Which Metal In Period 5 Is Very Reactive And Has 2 Valence Electrons In Each Atom?

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Which Metal In Period 5 Is Very Reactive And Has 2 Valence Electrons In Each Atom? Like rubidium, it has 5 electron shells or energy levels, and in accordance with the Madelung rule it has two electrons in its 5s subshell. Strontium is a soft metal and is extremely reactive upon contact with water. Which