Magnesium isotopes question -- chemistry

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    One of my questions is asking me to show three naturally occurring isotopes of magnesium in standard convention. What does standard convention mean?

    I know these naturally occurring isotopes are
    24Mg, 25Mg, and 26Mg
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    Sorry you've not had any responses about this. Are you sure you've posted in the right place? Here's a link to our subject forum which should help get you more responses if you post there.


    Just quoting in Danny Dorito so she can move the thread if needed :wizard:
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    Standard convention: Atomic No. as subscript; mass no. as superscript (not other way round as below (above pics)

    Name:  Mg Atomic No Mass No.jpg
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