Question

How does the electronic confrigation of on atom relate to its position in the periodictable?

Answer 1

PERIODIC TABLE:

A tabular arrangement of elements in groups (vertical columns) and periods(horizontal rows) highlighting the regular trends in properties of elements is called a PERIODIC TABLE.

GROUP:

The moden periodic table has eighteen vertical columns.They are known as groups, arranged from left to right in the order.

The no. of shells in an atom determines the period.

PERIODS:

PERIODS: There are seven horizontal rows in the periodic table .They are known as periods .

✔The electronic configuration of an atom relates to its position in the modern periodic table as when we arrange the electrons in the 1st , 2nd , 3rd and 4th shells i.e. For example - In the element of Sodium ( Na ), the atomic number is 11 i.e. the number of

electrons.

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