Name the noble gas used to measure the thickness of sheets of metals and plastics
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Krypton gas is used to measure the thickness of metals and plastics.
Explanation:
85 Kr is used to measure the thickness of metals and plastics. As we know that Krypton gas is a noble gas.
Noble gasses are those gases which are stable in their unique form. Means there octet or the shells are completely full. There is no requirement of electrons or any extra electrons to become stable in the universe.
Atomic no. of Krypton is 36. Krypton gas is colourless, odorless and tasteless.
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