Chemistry Vocabulary

4. these particles are always running around the nucleus, but they can’t ever touch it
7. atoms of the same element that have the same atomic number but different atomic masses due to a different number of neutrons
8. spectra of the electromagnetic radiation emitted by a source
9. if you looked in one of these, you’d probably find an electron
11. something your brain is consuming as you solve this crossword puzzle
12. nuclei getting married
14. a discrete bundle of electromagnetic energy that interacts with matter similarly to particles
16. the specific energies an electron in an atom or other system can have
17. this is what makes your radio and microwave work
18. 1/12 the mass of a carbon-12 atom
20. the Switzerland of subatomic particles
23. amounts of energy needed to move an electron from one energy level to another
24. what happens when nuclei lose energy
25. helps model the most probable position of electrons in an atom

1. nuclei getting divorced
2. a life divided by two
3. there are millions of these in the ink these words are printed on
5. arrangements of electrons in an atom
6. demonstrates how many electrons are in an atom, and their distribution across energy levels
10. if the atom were a football stadium, this would be a marble in the middle of that stadium
13. describes a quality of a wave, but not the kind in the ocean
14. all atoms of an element have the same number of these particles
15. helps scientists determine the age of artifacts
18. the number of protons in the nucleus of an atom of an element
19. an atom that could shock you
21. how often something happens
22. designated by s, p, d, or f