IDNLearn.com provides a user-friendly platform for finding and sharing knowledge. Find the information you need quickly and easily with our reliable and thorough Q&A platform.

Describe how PERIODS and GROUPS are set up on the Periodic Table of Elements.

Sagot :

Answer:

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.

(Love your pfp btw)

Explanation: