Chemistry Vocabulary

2. Phase of matter in which particles have the highest speed
7. Julian breathes in some toxic fumes. He was exposed to chemicals via _____.
11. Subatomic particle with a negative charge
12. The _____ energy is the energy required to pull an electron off an atom in the gas phase
14. Refers to a process that releases heat
16. Refers to a process that absorbs heat
17. Atom with four valence electrons and only three shells.
19. How strongly an atom pulls on electrons in a bond or on a nearby atom
22. Gas to solid
23. The most electronegative atom on the periodic table
24. Liquid to gas
25. A negatively charged ion.

1. Refers to a process that occurs at constant temperature
3. Sophia T. Wrong eats a powder in lab. This route of chemical exposure is called ____.
4. Number of significant figures in 0.07040
5. The atomic _____ is a measure of an atom's size.
6. Atom with more protons than electrons
8. The SI Unit for amount (also a small, furry, burrowing animal)
9. Gas to liquid
10. measures the amount of space an object occupies
11. The number of valence electrons in NH3
13. A Noble Gas with only four electron shells
15. Liquid to gas
18. Measures the number of particles per unit volume
20. Whose number is 6.022 x 10^23?
21. Unit for concentration with base units of moles per liter.
22. Equals mass divided by volume