Chemistry I X Chemical bondnig

1. The atom which supplies the pair of electrons for Coordinate Covalent bond formation is known as: a) Acceptor b) Donor c) Receiver d) None of these

2. Co-ordinate covalent bond is always formed between the two: a) Like and unlike atoms b) Similar atoms c) Like atoms d) Unlike atoms

3. The bond in Mg O is : a) Chemical bond b) Electro- valent bond c) Co-ordinate covalent bond d) Covalent bond

4. Non - Polar covalent bond means: a) The electronegativity difference between the elements is more than 1.7 b) A covalent bond formed between two different elements c) A covalent bond formed between two similar elements d) All of these are applicable

5. Pure Covalent bond means: a) Polar covalent bond b) High electronegativity difference between the atoms c) Covalent bond formed between two different atoms d) Non- polar covalent bond

6. The force which hold atoms together in a molecule or crystal is called: a) Ionic bond b) Chemical bond c) Co-ordinate covalent bond d) Covalent bond

7. The bond which is formed by the mutual sharing of electrons between the atoms is called: a) Covalent bond b) Cheminal bond c) Ionic bond d) Co-ordinate covalent bond

8. Double covalent bond is denoted by: a) None of these b) Three short lines betwen the atoms c) Single short line between the atoms d) Two short lines between the atoms

9. The shared pair of electrons in a co-ordinate covalent bond is denoted by a) An equal sign b) Single line c) An arrow d) Double line

10. The bond which is formed by donating a pair of electrons from an element is called. a) Chemical bond b) Ionic bond c) Covalent bond d) Co-ordinate covalent bond

11. The bond which is formed by the transference of one or more electrons from one atom to another atom is called. a) Co-ordinate covalent bond b) Chemical bond c) Ionic bond d) Covalent bond

12. The shared pair of electrons which links the atoms in a molecule is known as : a) Covalent bond b) Electrovalent bond c) Co-ordinate covalent bond d) Ionic bond

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