Across
- 1. The first letter of an element symbol is always a ______ letter
- 3. What does Hydrogen and Oxygen make
- 8. Which side are reactants written on a word equation?
- 9. The 3 subatomic particle that are in an atom
- 11. What is the chemical formula of 1 potassium atom, 1 oxegen atom and 1 hydrogen atom?
- 12. Definition of "Atoms of the same element with the same number of protons but diferent number of neutrons"
- 14. An element with similar properties to sodium
- 16. What do you call the atoms that has a full valence shell
- 17. What is the chemical symbol of Sodium
- 18. Full outer shell
- 19. What color is the magnesium when it touches the flame?
- 21. The name of of the chemical symbol K in the periodic table
- 22. The name of the chemical symbol Be
- 23. A substance that cannot be broken down into any other substance
- 24. When a substance that is made of 2 or more elements
Down
- 1. Mass reactants= Mass products
- 2. What is the scientific term of saying fizzing and bubbling in a chemical reaction
- 4. Three things that are required for combustion to occur
- 5. Dioxide What gas is being produced when baking soda is poured into vinegar
- 6. The final substances that are being produced after the reaction has occurred
- 7. What is the scientific name of breaking something down into smaller products in nature
- 10. When a compound is using heat to break down into multiple products
- 13. What do you call a compound that is combined with iron and sulfur
- 15. The particles in copper carbonate agin heat energy which is converted to _____ energy
- 20. When there is no substance being formed