Question

in periodic table the elements with atomic number 38 belongs to

period IV and group II

period IV and group IV

period III and group IV
period V and group II

Answer 1

period V and group II
And this element is Sr..
Hope it helps..

Answer 2

In periodic table the elements with atomic number 38 belongs to period V and group II.It is s block element.It is called alkali earth metal.they have very low ionisation energy.The electron in their most outward electron shell are in the s-orbital. Elements in the s- are in the first two periodic table groups. they form hydroxides by reacting with water that is strongly alkaline in nature.