Want this question answered?
Potassium
Strontium is an alkaline earth metal; group 2 and period 5 in the periodic table of Mendeleev.
group 1 period 3
Potassium (K) is a metal in Group I of the Periodic Table of the Elements. K has an atomic number of 19 and a molecular weight of 39.10 grams per mole.
Copper--Cu, atomic number 29--is in Group 11 Period 4.
Group number 12, period number 4 Transition metal
Francium is amrmber of the alkali metal familiy (group 1 in the Periodic Table of Mendeleev): Li, Na, K, Rb, Cs, Fr.
Zinc is a transition metal in Group 12 of the Periodic Table.
Sodium is a metal in Group 1 and Period 3 of the Periodic table. It is an alkali-metal.
an alkali metal
The element technetium is a transitional metal. A link is provided to the Wikipedia article on technetium.
Zirconium is a transition metal, group 4 and period 5 in the periodic table of Mendeleev.