TEST - 30 ( Chemical Bonding )
EFFORTS NEVER FAIL
NAME : *
1.Ionic bond is formed between atoms of elements with electro negitivity difference equal to or greater than *
1 point
2.Except all the Noble gases have eight electrons in their outer most shell. *
1 point
3.The number of covalent bonds in Methane molecule *
1 point
4. Hybridisation of atomic orbitals was proposed by *
1 point
5.The chemical formula of common salt is *
1 point
6.Which of the following elements exists as atoms but not molecules? *
1 point
7.Which of the following are responsible for the formation of bonds between an atoms? *
1 point
8.Which of the following ions lose electrons to form stable positive ions? *
1 point
9.The valency of chlorine is *
1 point
10.Nitrogen forms a covalent bond. *
1 point
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