HW2-CHM2210C-Module 2 PDF

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HW2-CHM2210C-Module 2

1) Whi c hoft hef ol l owi nge l e ment sdoest hi se l ec t r oni cc onfigur a t i onr epr es ent ? 2 2 1 s 2 s 2 p5

Fluorine, F

2) How manyunpai r ede l ec t r onsar epr es e nti nt hei s ol a t edc a r bonat om ( at omi cnumbe r=6) ? T wo

3) Whi c hoft hef ol l owi ngs t a t eme nt sc or r ec t l ydes c r i best het hi r del ec t r ons he l lt ha ts ur r oundst henuc l e usofan a t om? A)Thet o t a lnumbe rofa t omi cor bi t a l spr es enti nt het hi r ds he l li s1 6. B)Thet hi r ds he l lc ont ai nsonl ysandpa t omi cor bi t al s . C)Thema xi mum numbe rofe l ec t r onst ha tc anoc c upyt het hi r ds he l li s18. D)Thet hi r ds he l lc anc ont a i nfor bi t a l s . E)Al lt hi r ds he l le l eme nt smus tha vede l e c t r ons .

C

. 4) Gi vet heel e c t r oni cc onfigur a t i onf or-3N 2 2 1 s 2 s 2 p6

5) I dent i f yt hel e a s te l e c t r one gat i vea t om. A)I

B)P

C)O

D)B

E)Na

E)Na

6) Gi vet henumberofnonbondi ngpa i r sofe l ec t r onsi nH2NOH. 3

7) Thec ompoundme t hyl ami ne ,CH3NH2, c ont a i nsaCN bond. I nt hi sbond, wha tc har gei fanyi spr e s e ntont he ni t r oge nat om? s l i ght l yne ga t i vec ha r ge

8) Whi c hoft hef ol l owi ngc ova l entbondshast hel a r ge s tdi pol emome nt ? A)CH

B)HN

C)CC

D)CO

E)HF

E)HF

9) Thef or ma lc ha r geonni t r oge ni nt hec ompoundbel ow i s_ __ ___ __ .

+1

10) Dr a wt hes t r uc t ur e ,i nc l udi ngf or ma lc ha r ge s ,f ordi az omet ha ne , CH2N2.

11 )Wha ta r et hef or malc ha r ge sonni t r oge nandt hes t a r r e dox yge na t om i nt hef ol l o wi ngmol e c ul e ?

N = +1 O=0

12) Gi vet hef or ma lc har geonni t r og e ni nNH4.

+1

13 )How manydi s t i nc tandde ge ne r a t epor bi t al se xi s ti nt hes e c onde l e c t r ons he l l ,whe r en=2 ? 3

14 )Choos et hec or r e c thybr i di za t i onf ort hea t om i ndi c a t e di nt hemol e c ul ebe l ow. * CH3 CH2 CH2 CH3

s p3

15 )How manyc ar bonc ar bons i gmabondsa r ei nt hemol e c ul es ho wn?

2

16 )A mol e c ul eofa c e t oni t r i l eCH3CN c ont a i ns___ __ ___s i gmabondsa nd__ __ ___ _pibonds . 5s i gmabonds , 2pibonds

17 )Whi c hc ar bon( s )i nt hef ol l owi ngmol ec ul ei s( ar e)s phybr i di z ed?

4and5

18 )Wha tor bi t a l sov e r l apt oc r e a t et heCH bondi ne t he ne( H2C=CH2) ? s s p2

19 )Wha ti st hepr e di c t e ds ha pe , bonda ngl e , andhybr i di z a t i onf or+CH3 ?Wha tor bi t al sove r l a pt oc r e a t et heHC bond?

pr e di c t e ds ha pe :t r i gona lpl a na r ;bonda ngl e :1 2 0o;hybr i di z a t i on: s p2;or bi t a l sove r l a ppi ngt oc r e a t eHC 2 bond:s s p

20 )TheNHs i ngl ebondi nme t hyla mi ne( CH3 NH2)i sa_ _ ___ __ _bondf or me db yt heove r l a pofa ( n)__ ___ ___ or bi t a lonN a nda ( n)_ _ __ ___ _or bi t alonH. s i gma , s p3, s

21 )Wha ti st heCOCbondangl ei nCH3 OCH3 ? 1 09 . 5o

22 )Amongt hehydr oge nha l i de s ,t hes t r onge s tbondi sf oundi n__ ___ __ _a ndt hel onge s tbondi sf oundi n__ ___ __ _.

HF, HI

23 )Whi c hbondi nt hef ol l owi ngmol e c ul ei st hes hor t e s t ?

5

24 )Whi c hoft hef ol l owi ngs pe c i e sha vet e t r a he dr albondangl e s ?

A, D, E,F

25) Whi c hoft hef ol l owi ngmol e c ul e sdoe snote xhi bi tane tdi pol emome ntofz e r o?

A)CH4

B)S O3

C)CCl 4

D)H2O

E)CO2

B)S O3

26) Whi c hoft hef ol l owi ngmol e c ul e sha sane tdi pol emome ntofze r o?

ha sane tdi pol emome ntofz e r o...