wzorowane1 pktzamknięteśrednie (szac.)
Which molecules are polar? I. II. III. A. I and II only B. I and III only C. II and III only D. I, II and III
Molecular polarity and dipole moments
Decide whether a molecule or ion is polar by combining its bond dipoles with its geometry, explaining why symmetrical molecules such as CO2 and CCl4 are non-polar while H2O and NH3 have a net dipole moment.
Zadania sprawdzające tę umiejętność: 3 Otwórz w wyszukiwarce z filtrami
wzorowane1 pktzamkniętełatwe (szac.)
Which molecule is polar? A. B. C. D.
wzorowane6 pktotwarteśrednie (szac.)
(i) State the electron configuration of a nitrogen atom. (ii) Draw the Lewis formula of ammonia. (iii) Deduce the electron domain geometry and the molecular geometry of the ammonia molecule. (iv) Explain why the ammonia molecule is polar.