The atomic number of an element is 20 in the modern periodic table this element belongs to the periodwith full explanation please

The atomic number of an element is 20 in the modern periodic table thi

1.	The atomic number of an element is 20 in the modern periodic table this element belongs to the periodwith full explanation please
Answer» <html><body><p><strong>Answer:</strong></p><p>4 <a href="https://interviewquestions.tuteehub.com/tag/period-1151023" style="font-weight:bold;" target="_blank" title="Click to know more about PERIOD">PERIOD</a> and <a href="https://interviewquestions.tuteehub.com/tag/2nd-300843" style="font-weight:bold;" target="_blank" title="Click to know more about 2ND">2ND</a> group </p><p>explanation </p><p> because this <a href="https://interviewquestions.tuteehub.com/tag/element-969236" style="font-weight:bold;" target="_blank" title="Click to know more about ELEMENT">ELEMENT</a> have <a href="https://interviewquestions.tuteehub.com/tag/20-287209" style="font-weight:bold;" target="_blank" title="Click to know more about 20">20</a> positive change </p><p>so this element have 20 atomic and 20 no is <a href="https://interviewquestions.tuteehub.com/tag/lie-1073081" style="font-weight:bold;" target="_blank" title="Click to know more about LIE">LIE</a> in 4 period </p></body></html>