which one of the following doesn't change from top to bottom in a group of a periodic table? A) metallic nature B) atomic size C) electronegativity D) valence electron

which one of the following doesn't change from top to bottom in a grou

1.	which one of the following doesn't change from top to bottom in a group of a periodic table? A) metallic nature B) atomic size C) electronegativity D) valence electron
Answer» <html><body><p><strong>Answer:</strong></p><p>D</p><p><strong>Explanation:</strong></p><p>As we move from top to bottom in a group, the <a href="https://interviewquestions.tuteehub.com/tag/number-582134" style="font-weight:bold;" target="_blank" title="Click to know more about NUMBER">NUMBER</a> of valence <a href="https://interviewquestions.tuteehub.com/tag/electrons-969138" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRONS">ELECTRONS</a> <a href="https://interviewquestions.tuteehub.com/tag/remains-621920" style="font-weight:bold;" target="_blank" title="Click to know more about REMAINS">REMAINS</a> same because a group is so <a href="https://interviewquestions.tuteehub.com/tag/defined-947013" style="font-weight:bold;" target="_blank" title="Click to know more about DEFINED">DEFINED</a> such that their valence <a href="https://interviewquestions.tuteehub.com/tag/shell-11505" style="font-weight:bold;" target="_blank" title="Click to know more about SHELL">SHELL</a> configuration of all element in the group is same.</p></body></html>