important questions for SA2 science exam class 9
This conversation is already closed by Expert
The avg atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes 16X8 and 18X8
in the sample?
FOR MORE QUESTIONS AND ANSWER FOR THIS QUESTION, PLZ THUMBS UP .
Please check the upload tests and notes butoon,I and a lot of my friends had uploaded a lot of notes sample papers and blue prints.
thumbs up please.
what are the chapters important in sa2 for class -9
i'm a teacher and i want to teach my students with those questions for preparing them for exam
if u get it ,please send me.
what is my name
i am a student . please send me some sample papers for sa 2