Across
- 5. the stuff undergoing a change are called the __ in an equation
- 9. reactions where one element is alone and another switches
- 10. the total mass of a compound is called the__
- 12. molar mass of Be(OH)2
- 14. which coefficient needs to be in front of "N" B + N2S --> BS3 + N
- 15. which group has seven valence electrons
- 17. breaking glass is an example of a ___ change
- 20. reactions where two elements switch partners
- 25. charge of aluminum
- 26. molar mass is measured in___
- 28. krypton has ___ valence electrons
- 29. the products are on the ___ side of an arrow
- 31. numbers on the outside of parentheses ___ to the all elements within
- 32. while elements would be on the left,__would be on the right in synthesis reactions
- 33. in an equation, equals or makes is represented by an___
- 34. reactants are on the ___ side of the arrow
Down
- 1. nickname for the double replacement reactions
- 2. reaction where energy is given off
- 3. coefficients are placed in the___ of compounds in equations
- 4. products are located ___ the arrow
- 6. reactions where energy has to be added
- 7. the number at the bottom of a compound is called a___
- 8. phase change from a solid to a liquid
- 9. A+B-->AB
- 11. energy for endo and exothermic reactions are measured in__
- 13. reactants are located ___ the arrow
- 16. reaction where water and carbon dioxide are produced
- 17. the results or stuff that is made in an equation are called
- 18. which group has a charge of +1
- 19. AB-->A + B
- 21. charge of oxygen
- 22. silicon has ___ energy levels
- 23. the arrow in an equation stands for forms or ___
- 24. double replacement reactions contain at least__ elements
- 27. the number of ___ in an equation must be balanced
- 30. compounds are ___ in single elements in decomposition reactions
- 31. matter can't be created or___, is part of the Law of Conservation of Mass