potassium
4 Be Berllyium if im correct.......
Cesium (Cs) is the alkali metal that requires 4 electron shells as it has the electron configuration [Xe] 6s1.
The element in period 4 and Group 1 of the periodic table is potassium. It is a highly reactive metal that is soft enough to be cut with a knife. Potassium is essential for many biological processes and is found in compounds like potassium chloride and potassium hydroxide.
The most reactive metal on the table is Caesium. Fluorine is the most reactive non-metal on the table. For metal periods, reactivity decreases from left to right. Non-metals are the opposite.
Two families ?? Calcium is an alkaline earth metal; located in group 2 and period 4 in the periodic table of Mendeleev.
4 Be Berllyium if im correct.......
Cesium (Cs) is the alkali metal that requires 4 electron shells as it has the electron configuration [Xe] 6s1.
The element in period 4 and Group 1 of the periodic table is potassium. It is a highly reactive metal that is soft enough to be cut with a knife. Potassium is essential for many biological processes and is found in compounds like potassium chloride and potassium hydroxide.
No, rubidium is not considered a transition metal. It is not located in the periodic table where the other transition metals are, which is mainly the d-block.
Zirconium is a transition metal, group 4 and period 5 in the periodic table of Mendeleev.
Sulfur (S) is classified as an active nonmetal in period 4.
The most reactive metal on the table is Caesium. Fluorine is the most reactive non-metal on the table. For metal periods, reactivity decreases from left to right. Non-metals are the opposite.
Two families ?? Calcium is an alkaline earth metal; located in group 2 and period 4 in the periodic table of Mendeleev.
Cobalt
Cu is a transition metal (group 11, period 4)
Metal in group 16 and period 4 is Polonium. It is a rare, highly radioactive metal with few known applications due to its scarcity and radioactivity.
Group number 12, period number 4 Transition metal