NAME : *

1. Which of the following elements is electronegative? *

2.An element 11X23 forms an ionic compound with another element ‘Y’. Then the charge on theion formed by X is *

3.An element ‘A’ forms a chloride ACl4.The number electrons in the valence shell of ‘A’is_ *

4.Which one of the following is an ionic compound? *

5.Covalent compounds are soluble in *

6.Polar covalent bond is present in *

7.Valency of Noble gases is *

8.The number of unpaired electrons in oxygen atom is *

9.The number of valency electrons in carbon atom is *

10.Among the following electron deficinet molecule is *