Question

The number of elements in the 5th period of modern periodic table are-​

Answer 1

There are 18 elements present in the 5th period of Modern Periodic table

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Answer 2

Answer:

there

Explanation:

18 elements

The fifth period contains 18 elements, beginning with rubidium and ending with xenon. As a rule, period 5 elements fill their 5s shells first, then their 4d, and 5p shells, in that order; however, there are exceptions, such as rhodium.