Question: This is the mass spectrum for which element? A. phosphorus B. nickel C. aluminum D. silicon E. sulfur Question 7 Enter the name of the

This is the mass spectrum for which element? A. phosphorus B. nickel C. aluminum D. silicon E. sulfur Question 7 Enter the name of the element that is the heaviest alkaline earth metal. Question 8 Enter the name of the element that is a semimetal that is in the same period as the element with 18 protons

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