Elements X and Y have 1 and 7 electrons in their outermost shell respectively.

1. Which element will lose electron ? 

2. Which element will gain electron ? 

3. Which will form positive ion ? 

4. Which will form negative ion ?

5. What will be the charge present of the molecule XY after chemical combination ?

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1 Answers

1. X

2. Y

3. X

4. Y

5. electrically neutral

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