Chemistry

4. The chemical equation type shown by AB = A + B
7. The ______ table is used to identify elements
10. The part of an atom with a positive charge
11. 14.01 is the atomic ____ of nitrogen
12. Has the chemical formula of Pb
13. Atomic number of beryllium
16. General category of an enzyme that increases the rate of a reaction
18. The chemicals that you start with in a chemical reaction
19. The numbers that are added in front of a reactant or products when balancing an equation

1. The part of an atom with a negative charge
2. AB + CD = AD + CB is a double _________
3. NaCl is an _____ compound
5. A ____ model is used to show the configurations of electrons within an atom
6. Element with chemical symbol of U
8. When atoms combine to form bigger particles, it is called a _______
9. The _____ theory is what is used to help determine whether a rate of reaction is increased or decreased
10. The chemicals that you end with in a chemical reaction
14. The chemical equation type shown by A + B = AB
15. Consisting of two atoms. Hydrogen, Oxygen and Nitrogen are examples.
17. the smallest particle that makes up a substance