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Chemistry 15 Online
jazzminee:

3. Which of the following is unique for any given element? A) Its atomic number B)the number of its neutrons C)its mass number

jazzminee:

i think its A but i would like some help.

TheSmartOne:

You are correct. Good job :)

jazzminee:

Thank you :)

TheSmartOne:

It was my pleasure. And welcome to QuestionCove! :)

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