A cubic solid is made up of two elements X and Y. Atoms Y are present at the corners of the cube and atoms X at the body centre. What is the formula of the compound ? What are the coordination numbers of X and Y ?

A cubic solid is made up of two elements X and Y. Atoms Y are present

1.	A cubic solid is made up of two elements X and Y. Atoms Y are present at the corners of the cube and atoms X at the body centre. What is the formula of the compound ? What are the coordination numbers of X and Y ?
Answer» <html><body><p></p>Solution :As <a href="https://interviewquestions.tuteehub.com/tag/atoms-887421" style="font-weight:bold;" target="_blank" title="Click to know more about ATOMS">ATOMS</a> Y are present at the 8 <a href="https://interviewquestions.tuteehub.com/tag/corners-934262" style="font-weight:bold;" target="_blank" title="Click to know more about CORNERS">CORNERS</a> of the cube, <a href="https://interviewquestions.tuteehub.com/tag/therefore-706901" style="font-weight:bold;" target="_blank" title="Click to know more about THEREFORE">THEREFORE</a> , number of atoms of Y in the <a href="https://interviewquestions.tuteehub.com/tag/unit-1438166" style="font-weight:bold;" target="_blank" title="Click to know more about UNIT">UNIT</a> cell `=1/8xx8=1` <br/> As atoms X are present at the body centre, therefore, number of atoms of X in the unit cell=1<br/> `therefore` Ratio of atoms X :Y =1:1 <br/> Hence, the formula of the <a href="https://interviewquestions.tuteehub.com/tag/compound-926863" style="font-weight:bold;" target="_blank" title="Click to know more about COMPOUND">COMPOUND</a> is XY <br/> Coordination number of each of X and Y =8</body></html>