NCERT Solutions for Class 10 Science Chapter 5
Important Board Questions
Periodic Classification of Elements
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Short Question
Questions No: 8
Four elements P,Q,R and S have atomic number 12,13,14 and 15 respectively. Answer the following: (a) what is the valency of Q? (b) Classify these elements as metals and no-metals. (c) Which of these elements will form the most basic oxide?
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