Na 11 Sodium 22.9898
The element in the same group as lithium (Group 1) and the same period as iron (Period 4) is potassium.
sodium and lithium are both group 1 elements (like 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 with the atomic number 19.
arsenic 74.922 AS 33
Potassium
Potassium (K) has one valence electron and is located in period 4 of the periodic table.
The symbol for the fourth period alkaline element is K, which stands for potassium.
element K, or potassium
The first element in the fourth period of the Periodic Table is potassium (K).
The element in the 5th period and 11th group is potassium (K).
Potassium and magnesium are not in the same period on the periodic table. Potassium is in the fourth period (row) while magnesium is in the third period. They are both in the same group (column), Group 2, which are known as the alkaline earth metals.