year 7 Chemistry
Across
- 6. pure substance made up of only one type of atomAtom, very small particles that make up all things they have the same properties as the objects they make
- 8. Number, were the element sits on the periodic table its number is the same amount of protons it has
- 11. of electricity, when something can conduct electricity
- 12. scientific word for snapping easily
- 13. Lustrous,semiconductive,elements
- 14. neutraly charged part of a atom
- 15. substance made up of two or more different t ypers of atoms that have been joined together
- 17. middle part of a atom
- 18. positvly charged piece of an atom there can be multiple protons to one atom
Down
- 1. negitvly charged part of a atom
- 2. dull, usually brittle, elements
- 3. Number, the number of positive neutrons
- 4. test, a test to find if something has any hydrogen
- 5. a combination of substances in which each keeps its own properties
- 7. scientific word for shiny
- 9. scientific word for bendy
- 10. when something can streech into wires, rods
- 13. lustrous,mallable,conductive,element
- 16. two or more atoms joined together