The document discusses various concepts in chemistry, including chemical reactions, atomic mass, and molecular formulas. It covers the composition of compounds, the relationship between elements and their atomic structures, and provides examples of molecular calculations. Additionally, it touches on the significance of chemical formulas and the properties of different compounds.
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Atoms and Molecules
The document discusses various concepts in chemistry, including chemical reactions, atomic mass, and molecular formulas. It covers the composition of compounds, the relationship between elements and their atomic structures, and provides examples of molecular calculations. Additionally, it touches on the significance of chemical formulas and the properties of different compounds.
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF or read online on Scribd
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TT
tow ofa Fontal onli
djlow. of tonsuuciten. of mot
a_chemial swaction, the mary of te sudo,
| [will be equal to tie mos of a a
—H Nang of cibon ta bunk tn_2.09- ng hg a
| Oeboadtortcle ta taxbon_dloxide sill
[bt funni won 2.00g ef eanbon te _buunt th 60.009 of
(NRA Udit tow of cheimfca) combinatton tufll over ____—
+Your answer?
Soly
Gin? € = 39 Cos Ig
8g
C $0.°= 00,
B4Oo-u
Inecae ad, Ce 3g
0, = 50q (0) mas = 3 +50
7 :
58g
Blau of constant pyopertions
Th @ wmpound , tu ehmenh wu always pvureunt th
duit - wonertten by thin mau,
Eni Ammonia NHs > 3433
CHy Methane > las = 351
b,
Hydagm and oxygen wmbine tn the Katio of i's by man
fo form wotr. What mays of onyger qos would be
aquiud tp Mact completly with 39 of hyddgen gas?
Gruen :
20
38 | chow yuittflication
W
jt
Bin
DA 0.8h 9 ample of. compound of owygin & beton war
by analysts 20° contain 0,096 f been and OnLy,
of oxygen. Cotoutare the percentage composttfor of tre
comyrounct by wight «Pe
[Grou 0.49 = Aauple £8051 tice £
pee 0.096 - B
Ooty 7 Op en
| pe oun = 0,006 x 1p0 = OG x 100
_O.aM an OP”
(ESE 2 YO»
yar
ye o = On too = Wb pg = Bro
0. ay —0-ay 100 aH
= _ 60%.
Medion tin_portulata of Toho Balto. Latimut. theony]
[G) AL wate 2 moe of vouy Stay ynaticles —oUled —cttom
| Lwaich poxttdipats in_chemiect! s4ractieua—-
aere Nwalustb le particles »_wfchcaminet—oe
bil teen. af pfata tant ou ideoticat tation
re aes eae ge eee
) Atorns ef dittixerct elmescla lowe dif ysl _maasace and
chemical _psopuntt es.A
> wuucval muasuAt comp
a ce 1a mil be pruet Z
gn at of carbor G.0a9 x 107 Hl Z
» 1a a
7 .
Coaay zo
La
a
@} Befiu. a.m.u- S
he
As! Ome attomit nas unit (4 equol be man of * fs
Corben clon - ‘ a
-mogu than ov type of atom» a
Molecul>
we uv » a
Elamunts Compounds 7
LH 0, NN ;
we vad suman Cea Gag” mae thon 3 oa
{Nla) Jodiium - Monoatomie becaust it has 4 orton Pn
Taiato mic a
4] faplain mots | an eluent wlth on erample- 7
Aw Mou of, on elinent contain mou tan ore lain =
of the some Kil fo fom a atobl moleute. The. number _
atoms constituting the moll IA called as ctomictty- -
séxt Owygeni ta déatomies, Open. ts Etatoyete 7
Aulphur ta polyatomic , i . 7
pe At 1 ¥ af a
of sMoluculs ®, Compound. !
= — of diffrent elements combine On a finect ratio
{ motu, Ex: Wlotu, Mithant, Ammonia .(NH ,)
bathe? LC Lig 3
Positively chasigid fon -> cottons Cato -¥&
Negatively choriged Jon antons - Anode *YHl tcrking the wales
=a = =|
= (93) ehibed -cp*
- 3+ Clyu)= -3+h= Be
G+CayxW) = 6-4 =-21
eames |
ip.
6 + C-ax3) sates
=so5”
J+ li4CAxaye .
= Hoo,
b= (e) =-1
p=s—0 Oo
)
0
=0Q 5 Sulyahate
9
Ol™ by:
Ne
Ising bond
4 Vatlenery 2 lo S
_Gomypound
¥ Xy
| Compounds —fosmect oy
‘Tong_comyound __Covalernt _eomprourd
Compound —fosunect __
donating ond _occepting — _by shaving electrons
|___edeectro vas _-t =
fn. Maco _Moleuclas fosmula
/
Ee
Magnestum chlosdole
a
Mg Ch,
Canbonelio ntcle
aw
Ce, One
= 2
Motecutas fosmuta r
Sdrys fon wating wolrutar fobuusla:
En
CO,.
MoleuuLowt nove
Valuney CTuat ust no. , doy
Fite! o> fap
Crow multiply
Blin CF.
4] Tdentity Hu elemuin wun Ty Hu metute-
J Waite down tu voluulps of the suspucttec acfdus
below them.
J Cron mulltply the votorey witty the elects
4A GL thus fx a common factor fn the valde ,
divide 1+ thoughout tle molecular founula .
Cosbon déowiol.
c o
4 x 2
i oO
=
ait
Co. CMO) >
vlFg) Wii down. tu formulas of.
4 we: Ovid, Ki) Nlunnin
Fr Ag 4-0
AL < to
e A Ny 3 7
r Na,O Au,
i on oe Ti} Magnutturs saci
ga My,
an oe 4.
Mg COW,
A ete Peas 2. ao
Ch, = 2 X 35.85 = tly Oe i
(0,2 12 #+ Clexay= 24 sae yy a
cydlort cus 1 Chad ae = eg a oo
tow. € Cy He = (lava) + (av) = an +6 = abu a
home Cr Wy, > Choy) + (4 XW) = Abty = gy =
pomonie NMy > 1 + (4 x9) = Is = Ita.
vithanolé CHZOH = 19+ (4¥3)+ 1b +4 = JatBtiben = 39y
| Oe Seo ee ae THe
[nao = off we = sow = tou as
: 1 a
| | = = AB+NDE —
j i 2] ae
| } BC}
| xe
| {+727 ee
4
i |] Ethyne CoH,
| = (io x2)+ Clyo) ea
= 491 oe 3p
| ab +9 a a
i——| 4 fale 1 eel =
IC = iat =
| |CJ Phoay bonus modreult » Pe
e BINH
Wau
wee acid , HCL
2 A + 35.5
2 56-541 -
dt) Aly ctor hie’
c]n Hsere actd 5 HNO,
te ga tL ior 3) ie
= w+ he
2 63L iy
Wu tou chumtcal foxmulo4
mpouvd 14 papresertcilion, .
‘of elimi long -
13) What ts meant. by +
Chunutcal formula. ef oo
of ib compoattion , that ws Aypen
with 13 puopecten:
fig tow many ato nr gon pousent 1A >
7 H,5 molt. anol |
Wi) PO. ton’