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One of the chemical elements in the periodic table's sixth row (or period), which includes the lanthanides, is referred to as a period 6 element. Period 6 is unusual in several ways.
What is Period 6 ?
A new row is started when chemical behavior starts to repeat, meaning that elements with similar behavior fall into the same vertical columns. The periodic table is set up in rows to highlight recurrent (periodic) tendencies in the chemical behavior of the elements as their atomic number increases.
The sixth period, which starts with calcium and ends with radon, has 32 elements, which is tied with period 7 for the most. The only remaining stable element is lead; all others are radioactive.
The periodic table's horizontal rows are called periods. Each element in a period has the same number of atomic orbitals, and there are a total of seven periods. Only two orbitals make up the upper period, which is made up of hydrogen and helium. The number of orbitals rises down the rows.
Except for hydrogen, which is a nonmetal, the elements are arranged in a triangle with the metals to the left, the nonmetals to the right, and the metalloids to the immediate right of the triangle.
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