Discover answers to your most pressing questions at Westonci.ca, the ultimate Q&A platform that connects you with expert solutions. Our platform provides a seamless experience for finding reliable answers from a knowledgeable network of professionals. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

Which of the following descriptions applies only to Groups? Select all that apply.

Information about the element can be obtained from it.
Rows 1-7 on the periodic table
Elements have the same number of valence electrons
Elements have the same number of energy levels
Elements change from reactive metal to unreactive nonmetal
Columns 1-18 on periodic table
Elements have similar characteristics
Every element is in one