Asked by Ms. Sue Please help me

Which symbol correctly represents an element (D) whose atoms contain 15 protons and 20 neutrons?
A. 20/15 D
B. 15/20 D
C. 35/15 D
D. 15/35 D

C?
Answered by Writeacher
You really need to choose ONE screen name and keep it. It's childish to keep changing yours from "quick help needed" to other non-names you've used.

Also ... if you typed Chemistry in the School Subject box, you'd be more likely to get a response from someone who knows this subject.
Answered by bobpursley
Standard format is atomic number first, and atomic number second. C is correct.
I want to warn you however, standard format is not all that standardized.
Answered by Ms. Sue Please help me
Write teacher I keep only two names one "Ms. Sue Please help me" when I desperately need Ms. Sue's help, So that this name pops up and its easy for her to know that I want her to help me. and the other name is "quick help needed". I use this one when I want anyone or anybody to help me and that's it. I use only these two names.
Answered by Ms. Sue Please help me
Its ok Ms. Sue. anyways Thank you :D . bobpursely Thank you sooo much :D
Answered by kimani
whats the anwser
Answered by kimani
your the best
Answered by Courtney
What is the answer
Answered by Anonymous
Which of the following represents an element
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