the table shows the electronic structures of four elements . P - 2,6 Q - 2,8,1 R - 2,8,7 S - 2,8,8a) Identify which element (s) will form covalent bonds which carbon​please

Answers 2

P and R can form covalent bonds with carbon.

  • The compound P has an electronic configuration 2,6 or [tex]1s^22s^22p^4[/tex]. Thus it is oxygen. It has a partially filled valance shell and can form a covalent bond with carbon.
  • The compound Q has an electronic configuration 2,8,1 or [tex]1s^22s^22p^63s^1[/tex]. Thus it is Na. It has a partially filled valance shell so, it can easily lose its electron to form ions and can't form a covalent bond with carbon.
  • The compound R has an electronic configuration 2,8,7 or [tex]1s^22s^22p^63s^23p^5[/tex]. Thus it is Cl. It has a partially filled valance shell and can form a covalent bond with carbon.
  • The compound S has an electronic configuration 2,8,8 or [tex]1s^22s^22p^63s^23p^6[/tex]. Thus it is Ne. It has a filled valance shell and can't form a covalent bond with carbon.

Answer:

P and R element will form covalent bonds with carbon

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The position of the circumcentre for an obtuse-angled triangle is outside the triangle.

  • An obtuse-angled triangle is a triangle in which one of the angles of the triangle is greater than 90 degrees.
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