QUESTION 20 An atom has 20 protons and commonly will fose 2 electrons the name of this atom is Colum and after itses the
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QUESTION 20 An atom has 20 protons and commonly will fose 2 electrons the name of this atom is Colum and after itses the
QUESTION 20 An atom has 20 protons and commonly will fose 2 electrons the name of this atom is Colum and after itses the 2 electrons is not charge is paint