Question

Write difference between groups and periods?

Answer 1

Answer:

hello mate....

Explanation:

period is a horizontal row of the periodic table. There are seven periods in the periodic table, with each one beginning at the far left. ... A group is a vertical column of the periodic table, based on the organization of the outer shell electrons. There are a total of 18 groups.

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Answer 2

Answer:

Periods: is horizontal row of the periodic table .

There are 7 periodic table which is beginning of the for left.

Explanation:

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