Asked by jessica
Which has a larger radius, Mg or Mg+2? Explain why. Thanks ! I think its Mg+2 but im not sure why.
Answers
Answered by
DrBob222
Lets look at the structure.
In the nucleus it's 12 protons and 12 neutrons.
The outside shells are
2...8 ...2
|...| ...|
|...|....|
The numbers are the electrons in the outside shells and those | and
|
|
are supposed to be shells.
What I've drawn is the Mg ATOM. If you make the Mg^+2 ion, we remove the two outside electrons. Now, which one, the atom or the ion is smaller and which is larger.?
In the nucleus it's 12 protons and 12 neutrons.
The outside shells are
2...8 ...2
|...| ...|
|...|....|
The numbers are the electrons in the outside shells and those | and
|
|
are supposed to be shells.
What I've drawn is the Mg ATOM. If you make the Mg^+2 ion, we remove the two outside electrons. Now, which one, the atom or the ion is smaller and which is larger.?
Answered by
jessica
so that means the ion is smaller because your removing the 2 outside electrons ?
Answered by
DrBob222
yes.
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