what do you mean by horizontal and vertical columns in a periodic table?

Asked by kewal | 1st Sep, 2019, 11:44: AM

Expert Answer:

Horizontal columns in a periodic table-When we move from left to right or right to left, columns in a periodic table are horizontal columns. These are also known as periods.
Vertical columns in a periodic table-When we move from Top to Bottom or Bottom to Top, columns in a periodic table are vertical columns. These are also known as groups.

Answered by Ravi | 2nd Sep, 2019, 12:48: AM