The A is Potassium
The first element in the fourth period of the Periodic Table is potassium (K).
The first element in the fourth period of the periodic table is potassium (K).
The element in the fourth period with 3 3d electrons is titanium (element #22).
The symbol for the fourth period alkaline element is K, which stands for potassium.
Potassium
The first element in the fourth period of the periodic table is potassium with the atomic number 19.
Calcium is the alkaline earth metal in the fourth period of the periodic table.
The first element in the fourth period, which is used in making fertilizer, is potassium.
It is potassium.
potassium
In the Periodic Table, a group is a column of elements and a period is a row. The element in the 14th column and fourth row is germanium.
Kr fourth period means the fourth horizontal row on the periodic table....so the element on that row with the highest atomic number is Kr