Question

Disctinguish betweet between gooups and periods.​

Answer 1

Explanation:

Groups and periods are two ways of categorizing elements in the periodic table. Periods are horizontal rows (across) the periodic table, while groups are vertical columns (down) the table. Atomic number increases as you move down a group or across a period.

Answer 2

Answer:

Groups are vertical and periods are horizontal.In groups the chemical and physical properties of all elements are same but in periods they are different.We can see groups from top to bottom and periods as left to right.They are 7 periods and 18 groups in periodic table