MTALHAHASSAN2
  • MTALHAHASSAN2
need help!! Potassium has an atomic number of 19. Assuming there is nothing irregular with an atom, how many shells are required for all of the electrons?
Chemistry
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SOLVED
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chestercat
  • chestercat
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MTALHAHASSAN2
  • MTALHAHASSAN2
a) 1 b) 4 c) 2 d) 3
MTALHAHASSAN2
  • MTALHAHASSAN2
@Kash_TheSmartGuy
Kash_TheSmartGuy
  • Kash_TheSmartGuy
B. Can I get a medal?

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MTALHAHASSAN2
  • MTALHAHASSAN2
are you sure
MTALHAHASSAN2
  • MTALHAHASSAN2
its b
Kash_TheSmartGuy
  • Kash_TheSmartGuy
yes
MTALHAHASSAN2
  • MTALHAHASSAN2
ok thnx
MTALHAHASSAN2
  • MTALHAHASSAN2
but can you plz explain why is it 4
MTALHAHASSAN2
  • MTALHAHASSAN2
what happen know
taramgrant0543664
  • taramgrant0543664
It's four because the first she'll accepts 2 electrons, the second and third accept 8 electrons since potsassium is within the first twenty elements (after that the rule sort of changes) so there is one electron left so it goes into the fourth shell

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