CBSE Class 9 Answered
what are noble gases ? is nickel a noble gas.
Asked by Ravi Jaiswal | 06 Feb, 2014, 02:01: PM
Expert Answer
Any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table are noble gases.
The noble gases make a group of chemical elements with similar properties: under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
Nickel is not a noble gas. It is a metal.
Nickel is a chemical element with the chemical 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.
Answered by | 06 Feb, 2014, 03:34: PM
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