Across
- 3. What's the formation of a positive ion?
- 6. What's the mixing of the particles of 2 substances caused by their random motion?
- 8. What's a substance that cannot be broken down by chemicals?
- 10. Hydronium is a ______.
- 14. What is a quantitative description that includes both a number and a unit?
- 17. What are poor conductors, brittle, dull, and gases?
- 18. What are properties of metals and nonmetals, solids, and semi-conductors?
- 19. _______ bonds are composed of metals and nonmetals
- 21. ______ is when an electron drops from a higher energy level to a lower energy level and emits light.
- 25. A ________ mixture that can be separated.
- 26. What's the ability to do work and make change possible?
- 27. What's the measure of how close a measurement comes to the actual or true value of whatever is measured?
- 28. A small, whole number that appears in front of a formula.
- 29. _______ energy is also called radiant energy
- 30. What's it called to go from a solid to a gas?
- 32. What is a chemical substance of two or more different chemical elements?
- 34. ________ bonds are made of two nonmetals
- 35. What's in each column?
- 37. _______ bonds consist of two metals.
- 38. Who's the scientist that compared electrons in an atom to planets in the solar system?
Down
- 1. What are good conductors, shiny, and ductile?
- 2. What has a definite volume but no definite shape?
- 4. A ________ mixture that cannot easily be separated.
- 5. A ______ reaction is a chemical reaction in which the products reform the original reactants.
- 7. what is the SI base unit for temperature?
- 9. ________are in group 17 and are salt formers.
- 10. What's the formation of a negative ion?
- 11. Hydroxide is a _______.
- 12. What's the tendency of a substance to undergo chemical reaction?
- 13. A ______ reaction is when a single compound breaks down.
- 15. The ______ yield is the amount of a product mathematically possible.
- 16. A _____ has a definite shape, volume, and melting point.
- 20. a is the symbol for an _____ particle.
- 22. What's it called for two or more substances that are combined without chemicals?
- 23. What's the measure of how close a series of measurements are to one another?
- 24. What's in each row?
- 30. A _____ reaction is when two or more substances combine.
- 31. ______ metals are found in group 1.
- 33. The _____rule says atoms will combine to have 8 valence electrons.
- 36. What measures the distance?