How to represent electrons???? e or ē
I already posted this question and received answer to be e-
I am still doubted
Isn't it ē
How can I post questions that have diagrams along with it. I am facing some problems in lines and angles but I am not anle to post the questions . what should I do
hello, my self saloni i have i doubt for converting word equation to formula equation.
i want to know what things i should know or learn for this. i have already learned valancy of first 20 elements,names and symbol of some ions.
This is a silly question but due to tension I am not able to figure this out.
(-1-2)^2 according to the formula should be =
1 + 4 - 4 = 1
But the answer is 9.
Where am I wrong?