Answers

  • Brainly User
2014-02-28T22:25:28+05:30
The modern periodic law states that “ the physical and chemical properties of the elements are periodic function of their atomic numbers.”
This means that when the elements are arranged in order of increasing atomic numbers, the elements with similar properties recur after regular intervals
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what is difference between electron affinity and electro negativity
electron affinity means ability of an element to accept electrons and electron negativity means ability of an element to donate electrons