Subject :NSO Class : Class 9
Element X with mass number 24 has 12 neutrons while element Y with mass number 19 has 10 neutrons. What is the chemical formula of compound formed when X combines with Y?
A X2Y
B XY2
C X2Y2
D X2Y2
Both C and D are same but it shows that D is answer
Ans 1:
Class : Class 9
a