CBSE Class 10 Science 2017 Delhi Term II Set 1 Paper

© examsnet.com
Question : 10
Total: 36
An element P (atomic number 20 ) reacts with an element Q (atomic number 17) to form a compound. Answer the following questions giving reason :Write the position of P and Q in the Modern Periodic Table and the molecular formula of the compound formed when P reacts with Q .
Solution:  
© examsnet.com
Go to Question: