Gallium.
The correct element found in group 17 and period 5 is iodine (I). It is a non-metal element known for its distinct purple color and is commonly used in medicine and pharmaceuticals.
It is the rubidium metal. it is in the first group.
Dubnium is an artificial chemical element, metal, solid, radioactive, placed in period 7 and group 5 of the periodic table of Mendeleev.
Element Name: Arsenic. Chemical Symbol: As.
The element in group 18 period 5 is Xenon (Xe).
There is no element that has been found yet with those characteristics ( group 5, period 2)
Strontium is classified as an alkaline earth metal. It belongs to group 2 on the periodic table and shares characteristics with other elements in this group, such as calcium and magnesium. It is a soft, silver-white metal that is highly reactive with water and air.
The element in group 4 period 5 is Zirconium (Zr).
The element in group 7 period 5 is element 43, Technetium (Tc). Its chemical symbol is Tc.
Dubnium is an artificial chemical element, metal, solid, radioactive, placed in period 7 and group 5 of the periodic table of Mendeleev.
The element with atomic number 45 is Rhodium (Rh). Rhodium is a transition metal in Group 9, Period 5 of the Periodic Table. Rhodium has 45 electrons in 5 shells with 1 electron in the outer shell.
Technetium belongs to the transition metal family on the periodic table. It is a d-block element with the atomic number 43. Transition metals are known for their variable oxidation states and their ability to form colorful compounds. Technetium is a synthetic element and is commonly used in nuclear medicine.