berryjada11
berryjada11 berryjada11
  • 16-09-2019
  • Social Studies
contestada

I need help please help me and I help you
I need help with number 4 only

I need help please help me and I help you I need help with number 4 only class=

Respuesta :

britneyaustin72
britneyaustin72 britneyaustin72
  • 16-09-2019

Answer:

80

   Hg

mercury

   201

--------------

17

  Cl

chlorine

  35

---------------

19

  k

Potassium

 39

----------------

you write it like that put the number on top to the left than under the letters put the name than under name put the other number

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