element K, or potassium
On the periodic table group 4A is carbon, silicon, germanium, tin and lead. (aka "The Carbon Group")
The element in the same group as lithium (Group 1) and the same period as iron (Period 4) is potassium.
Chromium is the element in period 4 and group 6.
The element in period 4 group 2A is calcium (Ca).
Br (Bromine) is a period 4 element in the same group as F.
The element in group 4 period 5 is Zirconium (Zr).
Germanium belongs to group IVA or group 14 and period 4
calcium
The element is krypton (Kr)
The element in Period 4 and Group 2 is Calcium, which has the chemical symbol Ca.
The element in period 4, group 7 of the periodic table is Manganese (Mn).
Element Name: Arsenic. Chemical Symbol: As.