Crossword

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Across
  1. 4. metal oxides/hydroxides are_____ in nature
  2. 7. which is the non metal that reacts with water?
  3. 9. many non metals are ____ in nature
  4. 10. when a non metal reacts with water, they form ____
  5. 11. which metal is the best conductor of heat and electricity?
Down
  1. 1. metals+dilute acid forms ___ +hydrogen
  2. 2. metals are ____ which enables them to produce a ringing sound when struck
  3. 3. the atomic number of an element can be also defined as the number of ____ in the element
  4. 5. ____properties tell us about the reactivity, behaviour of an element in a reaction
  5. 6. the atoms in non metals receive ____
  6. 8. calcium burns vigorously with oxygen with a ___ flame
  7. 9. a shiny metal that does not react with oxygen