TEST - 29 ( Chemical Bonding )
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1. Which of the following elements is electronegative? *
1 point
2.An element 11X23 forms an ionic compound with another element ‘Y’. Then the charge on theion formed by X is *
1 point
3.An element ‘A’ forms a chloride ACl4.The number electrons in the valence shell of ‘A’is_ *
1 point
4.Which one of the following is an ionic compound? *
1 point
5.Covalent compounds are soluble in *
1 point
6.Polar covalent bond is present in *
1 point
7.Valency of Noble gases is *
1 point
8.The number of unpaired electrons in oxygen atom is *
1 point
9.The number of valency electrons in carbon atom is *
1 point
10.Among the following electron deficinet molecule is *
1 point
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