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