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Patterns of Reactivity. Q1. Name the lowest density metallic element. It is soft and reactive. A1. Lithium. Q2. Name a soft, reactive, low density metallic element, important for healthy plant growth. A2. Potassium .
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Patterns of Reactivity KS3 Unit 9f - Patterns of Reactivity
Q1. Name the lowest density metallic element. It is soft and reactive. KS3 Unit 9f - Patterns of Reactivity
A1. Lithium KS3 Unit 9f - Patterns of Reactivity
Q2. Name a soft, reactive, low density metallic element, important for healthy plant growth. KS3 Unit 9f - Patterns of Reactivity
A2. Potassium KS3 Unit 9f - Patterns of Reactivity
Q3. Name a soft, reactive, low density metallic element used in yellow street lights. KS3 Unit 9f - Patterns of Reactivity
A3. Sodium KS3 Unit 9f - Patterns of Reactivity
Q4. Name a silver-white low density metallic element used for saucepans and bicycle wheel rims. KS3 Unit 9f - Patterns of Reactivity
A4. Aluminium KS3 Unit 9f - Patterns of Reactivity
Q5. Name a soft, dense, unreactive grey metallic element used in car batteries. KS3 Unit 9f - Patterns of Reactivity
A5. Lead KS3 Unit 9f - Patterns of Reactivity
Q6. Name an orange metallic element used for household electrical wiring. KS3 Unit 9f - Patterns of Reactivity
A6. Copper KS3 Unit 9f - Patterns of Reactivity
Q7. Name an unreactive metallic element with extremely high electrical conductivity used for coins. KS3 Unit 9f - Patterns of Reactivity
A7. Silver KS3 Unit 9f - Patterns of Reactivity
Q8. Name a very unreactive, expensive yellow metallic element used for jewellery. KS3 Unit 9f - Patterns of Reactivity
A8. Gold KS3 Unit 9f - Patterns of Reactivity
Q9. Name a non metallic gaseous element needed for respiration. KS3 Unit 9f - Patterns of Reactivity
A9. Oxygen KS3 Unit 9f - Patterns of Reactivity
Q10. Name the most common magnetic element. Corrodes to form rust. KS3 Unit 9f - Patterns of Reactivity
A10. Iron KS3 Unit 9f - Patterns of Reactivity
Q11. Name an industrially important form of iron used for car bodies and structural girders. KS3 Unit 9f - Patterns of Reactivity
A11. Steel KS3 Unit 9f - Patterns of Reactivity
Q12. Iron corrodes in the presence of air and water to form ... KS3 Unit 9f - Patterns of Reactivity
A12. Rust KS3 Unit 9f - Patterns of Reactivity
Q13. What is the most common solvent - contains the elements hydrogen and oxygen. KS3 Unit 9f - Patterns of Reactivity
A13. Water KS3 Unit 9f - Patterns of Reactivity
Q14. What do we call it when mild discolouration of silver, for example, occurs? KS3 Unit 9f - Patterns of Reactivity
A14. Tarnish KS3 Unit 9f - Patterns of Reactivity
Q15. What do we call an unwanted reaction between metals and the atmosphere and water. KS3 Unit 9f - Patterns of Reactivity
A15. Corrosion KS3 Unit 9f - Patterns of Reactivity
Q16. When a complete reaction takes place between acid and alkali they are said to ... KS3 Unit 9f - Patterns of Reactivity
A16. Neutralise KS3 Unit 9f - Patterns of Reactivity
Q17. What do we call a chemical with a pH value less than 7? Sulphuric or hydrochloric are examples. KS3 Unit 9f - Patterns of Reactivity
A17. Acids KS3 Unit 9f - Patterns of Reactivity
Q18. What do we call a chemical like sodium hydroxide with a pH value greater than 7. KS3 Unit 9f - Patterns of Reactivity
A18. Alkali KS3 Unit 9f - Patterns of Reactivity
Q19. Where is iron produced in industrial quantities? KS3 Unit 9f - Patterns of Reactivity
A19. In a blast furnace KS3 Unit 9f - Patterns of Reactivity
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