Solved Chemistry Model Practice Test Paper
1. Element ‘A’ has Electronic configuration 2,7 ‘B’ has configuration 2,8,6, ‘C’ has configuration 2,8,8 while ‘D’ has 2,8,7. Which element will show similar chemical properties? (a) A and C (b) A and D (c) B and C (d) B and D Ans. (b)
2. The element with [...]

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