anonymous
  • anonymous
How many electrons are in a CL-34 ion with a negative one charge?
Chemistry
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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aaronq
  • aaronq
how many electrons does an neutral Cl atom have?
anonymous
  • anonymous
17
aaronq
  • aaronq
and what is the charge on an electron?

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More answers

anonymous
  • anonymous
-
aaronq
  • aaronq
-1 right? so if have a Cl ion with a -1 charge, how many electrons would have?
anonymous
  • anonymous
16?
aaronq
  • aaronq
nope, if it had 16 it would have lost one and it would have a 1+ charge. when you add electrons to an atom it gains negative charges.
anonymous
  • anonymous
so 18?
aaronq
  • aaronq
yep
anonymous
  • anonymous
what does the 34 have to do with anything?
aaronq
  • aaronq
that's the mass number, the sum of protons and neutrons of the chlorine atom/ion. do you know what isotopes are?
anonymous
  • anonymous
no.
aaronq
  • aaronq
they're atoms of the same element (that is the same number of protons, because it dictates the type of atom it is) but with a different number of neutrons. So Cl-37 and Cl-38 will have the same number of protons (17) but will differ in the number of neutrons they have and thus the mass number.

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