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Questions and Answers
Which property of the elements changes systematically across a Period from left to right and from top to bottom of a Group?
Which property of the elements changes systematically across a Period from left to right and from top to bottom of a Group?
Which subatomic particles are attracted by the positively charged nucleus of an atom?
Which subatomic particles are attracted by the positively charged nucleus of an atom?
What happens to an atom when an electron is removed from it?
What happens to an atom when an electron is removed from it?
Which element has the highest first ionisation energy?
Which element has the highest first ionisation energy?
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Which property of the elements is represented by the vertical columns in the Periodic Table?
Which property of the elements is represented by the vertical columns in the Periodic Table?
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