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This document classifies gold as a metal and provides key details about its properties, including its atomic number, protons, and electrons. Gold (element #79) demonstrates the characteristics of metals, while water is identified as a compound formed by the chemical combination of hydrogen and oxygen atoms. The formula for water, H2O, illustrates how two hydrogen atoms bond with one oxygen atom. This classification sheds light on the fundamental differences between elements and compounds in chemistry.
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Classifying Matter By Group Member Names
ElementGold • Gold is element #79 on the periodic table. • Gold is a metal. • Gold has 79 protons and 79 electrons.
CompoundWater • The formula for water is H2O • Water is formed when two atoms of Hydrogen combine with one atom of oxygen.