Chemistry 9th Class English Medium Online Test With Answers

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Chemistry 9th Class English Medium Online Test

Sr. # Questions Answers Choice
1 A bond pair is covalent molecules usually has. One electron Two electron Three electron Four electron
2 A bond formed between two non metals is expected to be Ionic Coordinate covalent Metallic Covalent
3 Identify the covalent compund NaCl H<sub>2</sub>O KF MgO
4 In the formation of AlF3, aluminum atom loses........electrons. 1 4 3 2
5 Silicon belongs to Grou IVA . It has ....electons in the valence shell 2 6 3 4
6 How many covalent bonds do N2 molecule have 3 4 2 5
7 Number of electronsin nitrogen molecule is. 2 4 6 8
8 Which types of attractive forces are presentin ionic compounds. Covalent bonds Electrostatic forces of attraction Mtallic bonds Coordinate covalent bonds
9 During the formation of ionic bond heat is. Remains same Absorbed Released Both a and b
10 How many valance shell electrons are there in Na+ ion. 8 9 1 10
11 The electropositive elements have the tendency to Lose electrons Gain electrons Share electrons All of these
12 How many electron are there in the valence shell of sodium atom. One Two Three Four
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