Chemical Reactions

2. Number in front of a molecule to show how many of that molecule are present in a chemical reaction.
3. Type of bond in which electrons are transferred from one atom to another.
9. State of matter in which the molecules are spread the furthest apart.
10. Type of chemical reaction in which one compound breaks up into two or more elements or compounds.
12. Type of chemical reaction in which two atoms replace each other in two compounds
13. An atom with a positive or negative charge.
14. A negatively-charged atom.
15. A positively-charged atom.
16. Type of bond in which atoms share electrons.

1. Negatively charged subatomic particle.
2. The rearrangement of atoms to form new compounds.
4. Type of chemical reaction in which one atom replaces another in a compound.
5. Positively charged subatomic particle.
6. Displays the chemical elements and is organized based on atomic numbers and electron configuration.
7. The smallest particle of matter that keeps the same properties of that element.
8. Type of chemical reaction in which two elements come together to form one compound.
11. State of matter in which the molecules are very tightly packed together.
17. The electrons that are in the outermost shell in an atom.