Chemistry

1. STARTS WITH C AND ENDS WITH R, AND FACING CHEMICALCHANGE
5. WHEN IT IS ABSORBED, IT INCREASES THE AMPLITUDE OF THE VIBRATIONS OF THE MOLECULES
8. DIRECT CHANGE FROM SOLID TO GASEOUS STATE
9. CAUSES THE CHANGE IN STATE, CHEMICAL CHANGE AND EXPANSION OF MATTER
14. THE PROCESS OF OCCUPYING LESS SPACE
15. A CHANGE WHICH ALTERS THE CHEMICAL COMPOSITION OF MATTER
17. POSITIVELY CHARGED
18. A STATE OF MATTER WITH NEGLIGIBLE INTERMOLECULAR SPACES
20. NO CHARGE
21. THIS IS THE TOTAL NUMBER OF PROTONS AND NEUTRONS IN AN ATOM

1. A SUBSTANCE PRESENT IN ASHES WHEN PAPER IS BURNT
2. OCCUPIES SPACE AND HAS MASS
3. OF ICE 0 CELCIUS
4. A CHANGE WHERE NO NEW PRODUCT IS FORMED
6. ELECTRONS REVOLVE AROUND THE NECLEUS IN PATHWAYS CALLED
7. CONTAINS H AND OXYGEN
10. THE PART OF A CANDLE WHICH WHEN BURNED LEADS TO THE PRODUCTION OF WATER VAPOUR AND CARBON DIOXIDE
11. STARTS WITH A AND ENDS WITH A, CONTAINS 3 ATOMS
12. PERSON WHO POSTALATES THAT ATOMS ARE INDIVISIBLE
13. MOLECULE CONTAINING 2 ATOMS IS CALLED
16. HOW MANY PARTS DOES AN ATOM HAVE?
19. MADE OF PROTONS AND ELECTRONS