Science

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Across
  1. 2. CHARGED ATOM OR MOLECULE
  2. 7. A MICROORGANISM THAT CAUSES DISEAS.
  3. 8. PROTIENS ON THE SURFACE OF CELLS.
  4. 10. IS THE ATTRACTION OF METAL IONS TO THE SEA OF DELOCALISED ELECTRONS.
  5. 11. MIXTURE OF METAL ELEMENT WITH ANOTHER ELEMENT
  6. 13. A SUBSTANCE MADE UP OF ONLY ONE TYPE OF ATOM.
  7. 14. GROUP 7 NAME.
  8. 17. THE SUBSTANCE THAT HAS THAT HAS DISSOLVED IN A LIQID TO MAKE A SOLUTION.
  9. 18. ATOMIC NUMBER 6.
Down
  1. 1. ATOMIC NUMBER 1.
  2. 2. THE ATOMIC SYMBOL FOR THIS IS Fe.
  3. 3. AN ATOM WITH THE SAME NUMBER OF PROTONS BUT A DIFFERENT NUMBER OF NEUTRONS.
  4. 4. NUMBER OF PROTONS.
  5. 5. A TECHNIQUE USED TO SEPERATE AN INSOLUBLE SUBSTANCE FROM A SOLVEN.
  6. 6. PRODUCED BY A TYPE OF WHITE BLOOD CELLS.
  7. 7. , A TABLE OF THE CHEMICAL ELEMENT ARRANGED IN ORDER OF ATOMIC NUMBER.
  8. 9. A WEAKEND OR HARMLESS VERSION OF A PATHOGEN.
  9. 12. ATOMIC NUMBER 3.
  10. 15. ATOMIC NUMBER 8.
  11. 16. THE SMALLEST PART OF AN ELEMENT THAT CAN STILL BE RECONGISED AS THAT ELEMENT.