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GCSE7 Periodic Table

AQA GCSE chapter 02 Groups in Periodic Table

QuestionAnswer
State 4 observations when you place an alkali metal in water the fantastic 4"f": Float on water, fizz, flame and gets fmaller
What are the product of reaction between Sodium and water? Sodium Hydroxide and Hydrogen gas
Write the word equation for the reaction of Lithium and water Lithium + Water --> Lithium Hydroxide + Hydrogen; LEARN PATTERN
Write the formula of potassium hydroxide KOH
What is the formula of Hydrogen gas? H2
Write the symbolic equation for the reaction of potassium and Water 2 K + 2 H2O --> 2 KOH + H2; learn the pattern (metal+water--> hydrogen + metal hydroxide); CHECK FORMULAE; this is not an easy equation to balance so maybe learn it altogether?
Which alkali metal is the most reactive? Li, Na or K K
CHALLENGE Explain the pattern of reactivity in the Alkali metals As you go down the group, there are more shells, the single electron on the outer shell is further away from the nucleus, less attracted to the nucleus, so less ENERGY is needed to remove the electron, so the metals become more reactive
What are the names of the Halogens as you go down the group? Fluorine, Chlorine, Bromine, Astatine
What is the formula of Chlorine? Cl2
What is the formula of Sodium Bromide? NaBr
What are the products of reaction between Chlorine and Sodium Bromide Bromine and Sodium Chloride
What is the pattern of reactivity as you go down the group? As you go down the group, the Halogens become less reactive
Which Halogen is the most reactive? Chlorine, Iodine or Bromine? Chlorine
Write the symbolic equation for the reaction between Chlorine and Sodium Bromide Cl2 + 2 NaBr ---> Br2 + 2 NaCl
What is the product of the reaction between Hydrogen and Chlorine? Hydrogen Chloride
What is the pH of Hydrogen Bromide solution? below 7 (an acid)
Write the symbolic equation for the reaction between Chlorine and Hydrogen Cl2 + H2 --> 2 HCl
What is the colour and state of Chlorine? Green gas
What is the colour and state of Bromine? Brown liquid
What is the colour and state of Iodine? Grey solid
What colours are the vapours of Iodine? Purple
What is the product of the reaction between Iron and Chlorine? Iron Chloride
What is the colour and state of Fluorine? Pale yellow gas
Colour of Chlorine SOLUTION Pale green
Colour of Bromine SOLUTION Orange-Brown
Colour of Iodine SOLUTION Brown
Colour of Sodium Iodide SOLUTION Colourless
Chlorine + Sodium Bromide --> Sodium Chloride + Bromine; what colour change would you expect? Chlorine + Sodium Bromide --> Sodium Chloride + Bromine; you would see the colour changing from pale green (Chlorine) to brown (Bromine)
Word equation for the reaction of Bromine and Sodium Chloride; what colour change would you expect? There would be no reaction because Bromine is less reactive than Chlorine so the Chlorine would not let Bromine take the Sodium! No colour change!
Formula of Iodine? I2
Formula of Sodium Chloride? NaCl
Formula of Iron(III)Chloride? FeCl3
What is the word equation for the reaction between Chlorine and Sodium Bromide? Chlorine + Sodium Bromide --> Sodium Chloride + Bromine;
What is the word equation for the reaction between Chlorine and Sodium Iodide? Chlorine + Sodium Iodide--> Sodium Chloride + Iodine;
What is the word equation for the reaction between Bromine and Sodium Iodide? Bromine+ Sodium Iodide--> Sodium Bromide+ Iodine;
How many electrons on the outer shell do the elements in group 7 have on the outer shell? 7 electron in the outer shell
How many electrons on the outer shell do the elements in group 1 have on the outer shell? 1 electron in the outer shell
An element has an electron configuration of 2,8,1. Which group is it in? Explain why you said this. Group 1 because 1 electron in the outer shell
An element has an electron configuration of 2,8,7. Which group is it in? Explain why you said this. Group 7 because 7 electron in the outer shell
Created by: ursulinechem2