What are elements? (b) State one use of the following elements. (i) Plutonium (ii) Nickel (iii) Chlorine (iv) Phosphorous
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Answer:
nickel
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An element is a substance that cannot be broken down into any other substance.
Explanation:
Every element is made up of its own type of atom. This is why the chemical elements are all very different from each other. Everything in the universe contains the atoms of at least one or more elements.
Nickel is a chemical element with the symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile.
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