Is aluminum metal an element compound or mixture?
Is aluminum metal an element compound or mixture? Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Why is aluminum considered an element? Aluminum atoms contain 13 electrons and 13 protons. There are 3 valence electrons in the outer shell. In standard conditions aluminum is a fairly soft, strong, and lightweight metal. Pure aluminum is a very reactive element and is rarely found on Earth in its free form. Is Iron an element or compound? metal iron (Fe), chemical element, metal of Group 8 (VIIIb) of the periodic table, the...