PERIOD 5 ELEMENT

A 'period 5 element' is one of the chemical elements in the fifth row (or ''period'') of the periodic table of the elements.
These are:

'Chemical elements in the fifth period'

Group	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
# Name	37 Rb	38 Sr	39 Y	40 Zr	41 Nb	42 Mo	43 Tc	44 Ru	45 Rh	46 Pd	47 Ag	48 Cd	49 In	50 Sn	51 Sb	52 Te	53 I	54 Xe
e--conf.