GroupIAIIAIIIAIVAVAVIAVIIAONumber121314151617182nd periodLiDOJNe3rd pe

1.	GroupIAIIAIIIAIVAVAVIAVIIAONumber121314151617182nd periodLiDOJNe3rd periodAMgESiHK4th periodRTIQUYIn the above table – H does not represent hydrogen. Some elements are in their own symbol & position in the periodic table while others are shown with a letter. Identify:1. The most electronegative element.2. The most reactive element of group 1.3. The element from period 3 with least atomic size.4. The noble gas of the fourth period.5. How many valence electrons are present in Q?6. Which element from group 2 would have the least ionization energy?7. In the compound between A and H what type of bond is formed and give its molecular formula.
Answer» 1. J 2. R 3. M 4. Y 5. 5 6. T 7. Ionic bond. Formula is A₂H.

GroupIAIIAIIIAIVAVAVIAVIIAONumber121314151617182nd periodLiDOJNe3rd periodAMgESiHK4th periodRTIQUYIn the above table – H does not represent hydrogen. Some elements are in their own symbol & position in the periodic table while others are shown with a letter. Identify:1. The most electronegative element.2. The most reactive element of group 1.3. The element from period 3 with least atomic size.4. The noble gas of the fourth period.5. How many valence electrons are present in Q?6. Which element from group 2 would have the least ionization energy?7. In the compound between A and H what type of bond is formed and give its molecular formula.

Answer»

1. J

2. R

3. M

4. Y

5. 5

6. T

7. Ionic bond. Formula is A₂H.

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