Atoms

4. a group of two or more atoms that are chemically bonded
6. the basic building blocks of matter
7. the person credited with creating the periodic table we use, element 101 is named after him
8. the center of the atom that contains protons and neutrons
12. a way of organizing elements based on their properties
13. everything in the universe that takes up space and is made of stuff
15. a particle with no charge found in the nucleus
16. most elements on the periodic table are found in this state, ice for example

1. particles that are smaller than an atom that make up the structures of an atom
2. a substance made up of only one type of atom
3. the process two or more atoms do to connect
5. negatively charged particle that orbits around the nucleus
7. the amount of stuff that is needed to make something
9. a substance formed by two or more different elements
10. the "fog-like" area where electrons can be found
11. mercury is in this state at room temperature
12. a positively charged subatomic particle
14. a state of matter where the molecules are most excited, air is an example