Level 3 - 5to 6 marks Level 2 – 3 to 4 marks Level 1 – 1 to 2 marks Over time scientists developed the periodic table. Discuss how Dobereiner, Newlands.

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Level 3 - 5to 6 marks Level 2 – 3 to 4 marks Level 1 – 1 to 2 marks Over time scientists developed the periodic table. Discuss how Dobereiner, Newlands and Mendeleev’s work led to the periodic table as we know it today. 6 marks Key words Groups Periods Atomic number Protons Reactivity Families Atomic mass Hints Discuss Dobereiner and his periodic table Discuss Newlands and his periodic table Explain how the periodic table is arranged today. Discuss Mendeleev’s changes _____________________________________________ QWC - Bubbles Complex answer Extensive key words Logical order Excellent spelling, punctuation and grammar Detailed answer Many key words Clear order Good spelling, punctuation and grammar Simple answer Few key words No order Poor spelling, punctuation and grammar

Level 3 - 5to 6 marks Level 2 – 3 to 4 marks Level 1 – 1 to 2 marks Describe the structure of the atom. 6 marks Key words Atom Nucleus Proton Neutron Electron Positive Negative shells Hints Give an overall description of the atom Discuss the central nucleus and the particles found inside it Describe how electrons are arranged Compare charge and mass of all 3 subatomic particles _____________________________________________ QWC - Bubbles Complex answer Extensive key words Logical order Excellent spelling, punctuation and grammar Detailed answer Many key words Clear order Good spelling, punctuation and grammar Simple answer Few key words No order Poor spelling, punctuation and grammar

Level 3 - 5to 6 marks Level 2 – 3 to 4 marks Level 1 – 1 to 2 marks Explain why the Group 1 elements all react in a similar way when reacted with water. 6 marks Key words Lithium, Sodium Potassium Caesium Rubudium Electrons Outer shell Alkali Hydroxide Hydrogen water Hints Name the group 1 metals Explain what they all have in common Discuss how the reactivity of the metals alters down the group Describe the reaction of a group 1 metal with water, include an equation _____________________________________________ QWC - Bubbles Complex answer Extensive key words Logical order Excellent spelling, punctuation and grammar Detailed answer Many key words Clear order Good spelling, punctuation and grammar Simple answer Few key words No order Poor spelling, punctuation and grammar

Level 3 - 5to 6 marks Level 2 – 3 to 4 marks Level 1 – 1 to 2 marks Compare the uses of compounds of halogens to the properties of the halogen elements. 6 marks Key words Salt PVC CFC Chemical industry Medical drugs Diet Plastics Reactive unreactive Hints Identify some halogen compounds(3) Discuss their uses Discuss the difference in properties between the halogen and their compounds Discuss their properties. _____________________________________________ QWC - Bubbles Complex answer Extensive key words Logical order Excellent spelling, punctuation and grammar Detailed answer Many key words Clear order Good spelling, punctuation and grammar Simple answer Few key words No order Poor spelling, punctuation and grammar

Level 3 - 5to 6 marks Level 2 – 3 to 4 marks Level 1 – 1 to 2 marks Describe how electrons are arranged in an atom, using examples from group 1 and group 7 6 marks Key words Electrons Shells Group Number Outer shells Attraction foces Hints _____________________________________________ QWC - Bubbles Complex answer Extensive key words Logical order Excellent spelling, punctuation and grammar Detailed answer Many key words Clear order Good spelling, punctuation and grammar Simple answer Few key words No order Poor spelling, punctuation and grammar Describe how many electrons can fit on each shell Explain how the Group number is linked to the outer shell arrangement of electrons Use examples such as Sodium (Na) and Chlorine (Cl) by drawing shell diagrams Explain how many electrons on the outer shell determines the ion it becomes

Level 3 - 5to 6 marks Level 2 – 3 to 4 marks Level 1 – 1 to 2 marks Explain the difference between an atom and an ion. Give an example of a positive ion and a negative ion. 6 marks Key words Atom Ion Electrons Positive Negative Sodium Chlorine Loose Gain Hints _____________________________________________ QWC - Bubbles Complex answer Extensive key words Logical order Excellent spelling, punctuation and grammar Detailed answer Many key words Clear order Good spelling, punctuation and grammar Simple answer Few key words No order Poor spelling, punctuation and grammar Use examples such as Sodium (Na) and Chlorine (Cl) by drawing shell diagrams Explain how many electrons on the outer shell determines the ion it becomes Describe the structure of an atom and explain which part is the only one that can change Explain how the Group number is type of ion formed