Which two electron configurations represent elements that would have similar che
ID: 493253 • Letter: W
Question
Which two electron configurations represent elements that would have similar chemical properties? 1s^22s^22p^4 1s^22s^22p^5 [Ar]4s^23d^104p^3 [Ar]4s^23d^104p^4 (1) and (2) (1) and (3) (1) and (4) (2) and (4) (2) and (3) Select the arrangement of electromagnetic radiation which correctly describes ascending order of wavelength. radio, infrared, ultraviolet, gamma rays radio, ultraviolet, infrared, gamma rays gamma rays, radio, ultraviolet, infrared gamma rays, infrared, radio, ultraviolet gamma rays, ultraviolet, infrared, radio The size of an atomic orbital is associated with the principal quantum number (n). the angular momentum quantum number (l). the magnetic quantum number (m_l). the spin quantum number (m_1). the momentum and magnetic quantum numbers, together.Explanation / Answer
25. The elements whose outermost shell electronic configuration is same should belong to same group and hence should have similar properties
1s22s22p4 atomic nmber 8 is oxygen
[Ar]4s23d104p4 atomic number 34 is selenium
Therefor aswer is D) (2) and (4)
26. eergy of radations is inversely proportional to to wavelength, therefore high energy radation like gama radiation should have lower wavelength and low energy radation like radio waves have longer wavelength
therefore answer is E) gamma rays, ultraviolet, infrared, radio
27. principal quantum number gives the size of orbital and energy of orbital
therfore answer is A) The principal quantum number (n)
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