The sequence of the elements in period 5 of the periodic table include but not the least, the following elements:
Rubidium, Strontium, yttrium, zirconium and Niobium.
The period 5 of the periodic table is made up of 18 elements that are arranged in rows (periods) according to increase in atomic number.
Example of these elements include the
These elements are grouped under period 5 because they fill their 5s shells first, then their 4d, and 5p shells.
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