Question

Name the following:
1) Two diatomic molecules.
2) Two elements found in free state in nature
3) Two noble elements.

Answer 1

1--hydrogen, nitrogen, oxygen,fluorine, chlorine, bromine, and iodine



2--
brass, bronze, pewter, German silver, osmiridium, electrum, white gold, and silver-mercury andgold-mercury amalgam. Only gold,silver, copper and the platinum metals occur in nature in large amounts.




3--
The six noble gases that occur naturally are helium (He), neon (Ne),argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn). These elements are all nonmetals.



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Answer 2

1)hydrogen,helium
2)Gold,pletinm
3)Radon,krypton
......is the answer...