chemistry crossword

2. The minimum energy required for a reaction to occur.
4. The process of using electricity to decompose a compound.
8. The number of particles in one mole of a substance.
12. A number representing the total number of electrons an atom gains, loses, or shares.
15. A rule predicting how a system at equilibrium responds to changes.
18. A laboratory technique used to determine the concentration of a solution.
19. A type of reaction that absorbs heat from its surroundings.
20. A reaction involving both reduction and oxidation processes.

1. Weak intermolecular forces arising from temporary dipoles.
3. The slowest step in a reaction mechanism.
5. A type of chemical bond involving the sharing of electron pairs.
6. A substance that speeds up a reaction without being consumed.
7. A weak interaction involving a hydrogen atom bonded to an electronegative atom.
9. Atoms of the same element with different numbers of neutrons.
10. A state in which the forward and reverse reactions occur at the same rate.
11. The heat content of a system at constant pressure.
13. A regular arrangement of ions in a solid structure.
14. The tendency of an atom to attract a bonding pair of electrons.
16. The energy released when one mole of an ionic compound is formed from its gaseous ions.
17. A type of covalent bond formed by the sideways overlap of p orbitals.