Summary Chapter 8 - Reactivity Trends

RE A l r i v I T Y TR END S

EL E ME NTS I N G RO U P 2 Of PE R l O b I i
T B L E
A A R E M E T A L S
A L K A L I N E E A RT H ME TA L S
E L EM E N t s A R E RE A l t l v E ME t A l s t D O
NO T o cc uR I N r H t I R E LE ME N T A L fo R M
NA T U R A L l y

RE DO x Rt A l t l o N S t R e A c i l V i t y

E Ac H ar O U P 2 HA S 2 Ou t E R SH E L L
EL E I i r o n s
2 mo r e t ti n N t l t l t r o n i c c o n t l a 0f
NOB L E G As
2 E l e c t RO N s i n OU t t r s s U BS H E i l

r t o o x Re a l i l o n s mo s t c o MM o N t Y p t of
R e a e t l o n O t a r O U P 2 E l t me n t s
t A l H mt T A L A t o m i s 0X I D i s t D LO S I Na
2 E L E c i r o n s t O t o n m a 2 I Ow w i t H
E l t l i r on 1 c CO N f i h Of NO B L e a n s
REDU c l Na A h t Ni S A S REDV C E A NO T H E R

ca ca t 25 CALCIUM IS OXIDISED
Ar 45 Ar
A N O TH e r s p E l l E S W I L L GA I N i H E s t 2
E L E c i R ON s
GROUPLATOMGROUPLIOI
Be He 25 Be He
Mg INC 35 Mg't Ne
a arms cast a
Sr Ikr 55 gr her
Ba EXC 65 Ba Xe
Ra IRN 75 RA Rn

RE DO x R E A l t l ON s w I t H Ox y a CN

G RO U p 2 E L E ME NTS AL L RE A e t wl t H 02
TO f O R M A ME T AL 0 X I DE W I T H G EN E R A L
f 0RMU L A MO
MA b t O f m't 02

MA G N C S I V M BVR N S W I T H B R l aHt wH l t t
l l a H t t to r m s mAG N E S I U m 0 X I D E IN H l i Et

2mg Is t 02 g 2mg0 Is
o 12 OXIDATION
O 2 REDUCTION

, O 2 Reduction

T O T A L LH A NU E S I N 0 X I D A T 1 ON NO
B A L A N CE
2 Mg IN 2mg E AC H Mg 1 N CR t a s e s B y 2
TO r A L n t 4
2 0 IN Oz E AC H O DE C R t A s e s B y 2
T OT A L tr 4

RE D O x Rf Ac t i 0 NS WI T H WA t t R

a Ro u p 2 E L E ME N T S R E A et w i t H w a t t R
TO fo R M AN A l kA l l NE HY D R O x I D E WI T H
Gt N t R A L fo R MU L A MIO Hh t H cha s
w a t e R t m n a NE s I u m Rea c t vE R Y S L O WL Y
BV T R E A C t i ON G E T S MO R E V l a 0 RO U S WITH
ME T A L S f U R t H E R DO w n a r 0 U P
REA l t l V I T Y I N C R E A S ES

Be L E A s t R EA l t I u E
my
ca Srcs t 21120111 Sr101112can t th g
Sr O ti 12 o
Ba
Rn MO S T RE A CT i v e
No t A L L H At O m s
Rt b U l t D
1 Sr IN Sr
1 N CREAS E S
BY 2 T O TA L A t 2
4H I N 21120 2 H
Dt l R E A S t BY l
to RM l N a Ha 2 DO
NOT CH A N h t
fo r m l N a Sr10111 TO 1 AL
t L

RE DO x RE A L t l O N s Wi r H D I l U t E Ac i p s i


MA N Y Mt t Al s t A kE pa r t l N RE D 0 x
REA l t l O N S w i t H D l I u t E A l lD s to f O RM
S AL T e H Y D R 0 a t N GA S

METAL 1 All D SALT t HYDROGEN

A l l a r O U p z E l t m E NT S R E A c t i n i H i s
WAY
RE A l i l v I t Y l N CR E A S E S DOWN G RO U P

mg is t 2h11 Laal Mg Cli aq t Hr g
0 2 OXIDATION