Zadania z chemii IB SL

Znalezionych zadań: 3

Filtry i umiejętności1

Which molecules are polar? I. $\ce{CHCl3}$

II.

\ce{CH2F2}

III.

\ce{CF4}

A. I and II only B. I and III only C. II and III only D. I, II and III

Which molecule is polar? A. $\ce{BF3}$ B. $\ce{NF3}$ C. $\ce{CCl4}$ D. $\ce{C2H4}$

(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.