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a)Copper is a chemical element with symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity.
b)Helium has many unique properties: low boiling point, low density, low solubility, high thermal conductivity and inertness
d) Water is not found on the periodic table because it does not consist of a single element. An element is a form of matter than cannot be broken down into simpler particles using any chemical means. Water consists of hydrogen and oxygen.
b)Helium has many unique properties: low boiling point, low density, low solubility, high thermal conductivity and inertness
d) Water is not found on the periodic table because it does not consist of a single element. An element is a form of matter than cannot be broken down into simpler particles using any chemical means. Water consists of hydrogen and oxygen.
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