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REACTION WITH OXYGEN
Sodium : burns brightly when heated to form an oxide.
Aluminium: slow reaction when heated to form an oxide.

REACTION WITH WATER
Sodium: very vigorous reaction in cold water the hydroxide is formed.
Aluminium: reacts with steam but not water to form an oxide.

REACTION WITH DILUTE ACID:
Sodium: violent reaction very dangerous.
Aluminium: reaction which becomes less vigorous as you go down the list.

(BY KHADIJA & RABEET)

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POTASSIUM(K):
Potassium is the part of group 1 which has the most reactive metals. It is more reactive than sodium and lithium .Furthermore, when it reacts with oxygen it burns brightly to form potassium oxide. Plus,  its reaction with cold water is very vigorous. Lastly, with dilute acid it has a violent and explosive reaction which is not  safe to be done in school laboratories.
ZINC(Zn):
Zinc is the part of group 12.It has a slow reaction with oxygen. Next, it reacts with steam to produce an oxide. Moreover, its reaction with dilute acid is less vigorous than potassium.
(By: Sarah and Zainab Kalsoom)

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Potassium,iron and gold are three different metals.They have different levels of reactivity in dilute acid water/steam and oxygen.potassium is the most reactive metal.When it is heated it burns brightly to form an oxide. it has a vigorous reaction in cold water. the hydroxide is formed.it has a violent and dangerous reaction with dilute acid.Whereas Iron has slow reaction when it is heated to form an oxide.it reacts with steam but not with water to form an oxide. it has a less vigorous reaction with dilute acid. But when we talk about Gold. It is the most unreactive metal in reactivity series. it has no reaction with either oxygen or steam/water. it also shows no reaction with dilute acid.The order of their reactivity with starting from most reactive is  Potassium,iron and gold

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Potassium,iron and gold are three different metals.They have different levels of reactivity in dilute acid water/steam and oxygen.potassium is the most reactive metal.When it is heated it burns brightly to form an oxide. it has a vigorous reaction in cold water. the hydroxide is formed.it has a violent and dangerous reaction with dilute acid.Whereas Iron has slow reaction when it is heated to form an oxide.it reacts with steam but not with water to form an oxide. it has a less vigorous reaction with dilute acid. But when we talk about Gold. It is the most unreactive metal in reactivity series. it has no reaction with either oxygen or steam/water. it also shows no reaction with dilute acid.The order of their reactivity with starting from most reactive is  Potassium,iron and gold

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Faizah and Zoha saddiqua

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REACTIVITY OF METALS OF METALS WITH DILUTE ACID :

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REACTIVITY OF METALS OF METALS WITH DILUTE ACID :

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POTASIUM AND SODIUM;
VIOLENT REACTION AND VERY DANGEROUS. ITS NOT SAFE,

MAGNESIUM:
REACTION WHICH BECOMES LESS VIGOROUS AS YOU GO DOWN THE LIST.

GOLD AND SILVER:
NO REACTION

'RAMEEN IQBAL'
''NEESHAM BATOOL''

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Different metals have different properties, as per their reactivity. So far the reactivity series is a list of metals with most reactive at the top, and the least reactive at the bottom...
In the periodic table, there is a law that the lower you go the reactivity increases. The case behind this research base theory is that, as the atom grows bigger and its parts electrons and protons goes far from it, the nucleus loses it power to hold the parts and they easily react or combines with any other element atom.
As far the GROUP 1 metals, that are known as Alkali are the most reactive and Potassium is the most reactive among them, as its at the bottom.
As for further knowledge, the elements in group 1 atoms are softer than any other and are kept under oil, as the produces violent and dangerous reaction as come in to the  contact of oxygen or in the moisture from the air.
That's from our side,
Fizza, Zahra, Zoha Q
Thank You!!!

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HNO3 + KOH KNO3 + H2O aluminum is less reactive than potassium, it have a slow reaction when heated to form an oxide, it reacts with steam but not with water. 

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potassium is more reactive than aluminum, when potassium reacts with oxygen it burns brightly, when it reacts with water it reacts very vigorously, and when its reacted with dilute acid it reacts very vigorously and the beaker can blast. 

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potassium is more reactive than aluminum, when potassium reacts with oxygen it burns brightly, when it reacts with water it reacts very vigorously, and when its reacted with dilute acid it reacts very vigorously and the beaker can blast. 

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Name: Aumna Aftab Reenum Rizwan.

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Analyze the reactivity of metals in a reactivity series.

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Analyze the reactivity of metals in a reactivity series.

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Reaction of Metals with Oxygen
metal + oxygen ---> metal oxide
Lithium,
Sodium,
Potassium   reacts very VIGOROUSLY with oxygen. The reaction is very VIOLENT.
metal +water ---> metal hydroxide + hydrogen
Lithium reacts vigorously with water.
Sodium is more reactive than lithium in water.
REACTIVITY SEREIES...
MOST REACTIVE
POTASSIUM,   K
SODIUM,         Na
CALCIUM,       Ca
MAGNESIUM,  Mg
ALUMINIUM,   Al
ZINC,                 Zn
IRON,                 Fe
LEAD,                 Pb
COPPER,            Cu
SILVER,              Ag
GOLD,                 Au
LEAST REACTIVE
BY RUBAB ZEHRA
ZAINAB QUDDUS...