Chemistry, asked by djk8179, 3 months ago

Define groups and periods of modern periodic table?​

Answers

Answered by karthikeyasriramoju
3

Answer:

A 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.

Explanation:

Answered by harivatsshakya
2

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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