Chemistry, asked by aliadan415pb56y5, 1 year ago

can you solve this??

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Answered by siril
1
iv)                                                                        given weight             5
      Number of moles in 5 grams of carbon = -------------------------- = ------ = 0.41
                                                                         molecular weight        12

v) 
      As the electronic configuration 1s² 2s²,
      to reach the stable duplet configuration of 1s², the element has to eliminate        2 of its electrons...thus its charge is +2

siril: is my answer clear or scribbled?
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