Chemical Reactions
Across
- 3. A measure of the amount of one substance that is dissolved in another substance is called ______________.
- 5. __________________ is when the amount of energy that you begin with must equal the amount of energy you end up with.
- 6. The arrow sign that splits the reactants and products.
- 10. _______ _________ is when solid forms from a liquid solution. It is another sign of a chemical reaction.
- 14. ________ ____________ __________ is the reaction when two elements in compounds switch places, causing a new compound to form.
- 16. A ________ shows how many atoms there are in an element.
- 17. A __________ _________ is a formula that shows the elements in a compound.
- 19. A ________ is used, mostly seen as a plus sign, to separate compounds.
- 21. A _______ _________ is a written out form of a chemical reaction.
- 22. One of the signs of a chemical reaction happening is ___ __________, it is when gas forms.
- 23. ______ _________ is when you start with two compounds and end up with one as the product in a chemical equation
- 24. You add a _________ to help balance out a chemical equation.
Down
- 1. A _______ is needed to end up with a product.
- 2. ___________ is when energy is absorbed.
- 4. _________ ________ is needed to start a chemical reaction.
- 7. _______ in a chemical reaction can be released or absorbed.
- 8. _______ _________ _____ is the reaction when one element in a compound switch places with another, causing a new compound to form.
- 9. __________________ is when the amount of mass that you begin with must equal the amount of mass you end up with.
- 11. You end up with a _______ when two reactants form a new compound.
- 12. A(n) _______ is used to slow down a chemical reaction.
- 13. _______ _________ is when chemicals form together to create a compound.
- 15. ____________ _________ is the reaction where you start with a compound and it "decomposes," causing it to split up into substances.
- 18. __________ is when energy is released.
- 20. A ________ speeds up a chemical reaction without being permanently changed.