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Answer :

Ajinemsgo

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.

What is period 5 of the periodic table?

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

  • Rubidium,

  • Strontium,

  • yttrium,

  • zirconium and Niobium.

These elements are grouped under period 5 because they fill their 5s shells first, then their 4d, and 5p shells.

Learn more about periodic table here:

https://brainly.com/question/749030

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