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PHYSICAL & CHEMICAL TRENDS OF GROUP 1, 17 (GROUP 1 (HYDROGEN [Ar = 1],…
PHYSICAL & CHEMICAL TRENDS OF GROUP 1, 17
GROUP 17
CHLORINE [Ar = 17]
PHYSICAL APPEARANCE
YELLOWY GREEN DENSE GAS
CHOKING SMELL
PHYSICAL PROPERTIES
MELT , BOIL ; {−101.5°C , −34.04°C}
STATE (20°C) ; GAS
DENSITY ; 2.90 E-3 g cm-3
CHEMICAL PROPERTIES
REACTION WITH HYDROGEN
EXPLOSION OCCUR
PRODUCE HYDROGEN CHLORIDE GAS
BROMINE [Ar = 35]
PHYSICAL APPEARANCE
DEEP-RED, OILY LIQUID
CHEMICAL PROPERTIES
REACTION WITH HYDROGEN
H2+Br2→2HBr
MILD EXPLOSION WHEN IGNITED
PHYSICAL PROPERTIES
MELT, BOIL: −7.2°C, 58.8°C
STATE AT 20°C : LIQUID
DENSITY : 3.1028 g cm−3
TENNESSINE
PHYSICAL APPEARANCE
HIGHLY RADIOACTIVE, ONLY FEW ATOMS MADE
PHYSICAL PROPERTIES
MELT, BOIL ; {UNKNOWN , UNKNOWN}
DENSITY : UNKNOWN
STATE (20°C) : SOLID
CHEMIICAL PROPERTIES
REACTIONS WITH H2
NOT TESTED
PROBABLY UNREACTIVE
IODINE [Ar = 53]
PHYSICAL PROPERTIES
STATE (20°C) : SOLID
MELT, BOIL ; {113.7°C , 184.4°C}
DENSITY : 4.933 g cm−3
PHYSICAL APPEARANCE
PURPLE VAPOR WHEN HEATED
BLACK, SHINY, CRYSTALLINE SOLID
CHEMICAL PROPERTIES
PARTIALLY REACT WITH HYDROGEN
FLUORINE [Ar = 9]
PHYSICAL APPEARANCE
PALE-YELLOW GREEN GAS
PHYSICAL PROPERTIES
MELT,BOIL : −219.67°C, −188.11°C
DENSITY : 0.001553 g cm−3
STATE AT 20°C : SOLID
CHEMICAL PROPERTIES
REACTION WITH HYDROGEN
EXPLOSION
PRODUCE HYDROGEN FLUORIDE GAS
ASTATINE [Ar = 85]
PHYSICAL PROPERTIES
STATE ( 20°C) : SOLID
MELT, BOIL : {300°C, 350°C}
DENSITY : [UNKNOWN]
CHEMICAL PROPERTIES
REACTS WITH HYDROGEN TO FORM HYDROGEN ASTATIDE
THE LEAST CHEMICALLY REACTIVE OF HALOGEN
EXHIBITS THE MOST METALLIC PROPERTIES OF HALOGEN GROUP
PHYSICAL APPEARANCE
BLACK SOLID
GROUP 1
HYDROGEN [Ar = 1]
PHYSICAL PROPERTIES
MELT, BOIL ; {-259°C , -252°C}
STATE (20°C) : GAS
DENSITY : 8.2 E-5 g cm-3
PHYSICAL APPEARANCE
COLOURLESS, ODOURLESS GAS
CHEMICAL PROPERTIES
REACTION WITH WATER
LITIHIUM [Ar = 3]
PHYSICAL PROPERTIES
STATE (20°C) : SOLID
MELT,BOIL : 180.50°C, 1342°C
DENSITY : 0.534 g cm−3
PHYSICAL APPEARANCE
SOFT
SILVERY METAL
CHEMICAL PROPERTIES
REACTION WITH WATER
2
Li
+ 2[H2O] → 2
LiOH
+
H2
+ energy
REACTS SLOWLY WITH WATER
FLOATS, BURNS ON WATER
SODIUM [Ar = 11]
PHYSICAL PROPERTIES
STATE (20°C) : SOLID
MELT, BOIL ; {97.794°C , 882.940°C}
DENSITY : 0.97 g cm−3
CHEMICAL PROPERTIES
COMBINES WITH OXYGEN AT ROOM TEMPERATURE
BURNS WITH A BRILLIANT GOLDEN-YELLOW FLAME
REACTS VIOLENTLY WITH WATER
2
Na
+ 2[H2O] → 2
NaOH
+
H2
+ energy
PHYSICAL APPEARANCE
SILVERY METAL
SOFT
TARNISHES IN AIR WITHIN MINUTES
POTASSIUM [Ar = 39.098]
PHYSICAL APPEARANCE
SOFT
SILVERY METAL
TARNISHES IN AIR WITHIN MINUTES
PHYSICAL PROPERTIES
MELT, BOIL ; {63.5°C , 759°C}
STATE (20°C) ; SOLID
DENSITY ; 0.89 g cm−3
CHEMICAL PROPERTIES
REACTION WITH WATER
BEHAVES LIKE SODIUM BUT THE REACTION IS FASTER
LILAC FLAME IS PRODUCED
RUBIDIUM [ Ar = 85.468 ]
PHYSICAL APPEARANCE
IGNITES IN AIR
SOFT METAL
PHYSICAL PROPERTIES
CHEMICAL PROPERTIES
REACTION WITH WATER
2 Rb(s) + 2 H2O(l) → 2 RbOH(aq) + H2(g)
EXPLOSIVELY PRODUCING LARGE BRILLIANT RED-WHITE FLAMES
EXOTHERMIC
REACTS VIOLENTLY WITH WATER
CAESIUM [Ar = 132.905]
PHYSICAL APPERANCE
GOLD-COLOURED METAL
SOFT
PHYSICAL PROPERTIES
STATE AT 20°C : SOLID
MELT,BOIL :28.5°C, 671°C
DENSITY :1.873 g cm−3
CHEMICAL PROPERTIES
REACTION WITH WATER
2
Cs
+ 2[H2O] → 2
CsOH
+
H2
+ energy
BLOWS UP IN WATER
FRANCIUM [Ar = 223 ]
PHYSICAL APPEARANCE
SILVER METAL
PHYSICAL PROPERTIES
MELT,BOIL :21°C, 650°C
DENSITY : 1.873 g/cm3
STATE AT 20°C : SOLID
CHEMICAL PROPERTIES
REACTION WITH WATER
2
Fr
+ 2[H2O] → 2
FrOH
+
H2
+ energy
BLOWS UP IN WATER (theoretical)
TRENDS
GROUP 1
REACTIVITY
increases down the group
DENSITY
INCREASES DOWN THE GROUP
M.P, B.P
increases down the group
GROUP 17
M.P, B.P.
INCREASES DOWN THE GROUP
DENSITY
INCREASE DOWN THE GROUP
REACTIVITY
DECREASE DOWN THE GROUP
APPLICATION
HELPS IN TERM OF:
UNDERSTANDING CHEMICAL PROPERTIES
EXPERIMENT REGARDING CHEMICAL PROPERTIES
VISUALISATION
UNIQUE AND INFORMATIVE PERIODIC TABLE
INTERESTING VIDEO OF EXPLANATION; EASY TO UNDERSTAND AND FUNNY