Examen
Cidesco mcqs 5 Questions And Answers
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- Établissement
A cation is a)a negatively charged sulphur atom (S-) b)a positively charged sodium atom (Na+) c)a negatively charged electron d)a positively charged proton in the nucleus of an atom - Answer- A positively charged sodium atom (Na+) The nucleus of a cells is directly surrounded by a)the prot...
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