periodic table

4. The number of protons in the nucleus of an atom
6. Particles of no charge located in the nucleus of an atom
8. positively charged particles located in the nucleus of an atom
11. A table that shows the elements, their atomic number, symbol, and average atomic mass;elements with similar chemical properties are grouped together
15. electrons on the outermost energy level of an atom
17. The smallest part of an element that still have the same properties as the element
18. A chemical bond formed when atoms share electrons
21. The smallest part of a compound that retains all the properties of the composed of one or more atom
22. Atoms of the same element that have different numbers of neutrons

1. the possible locations around the nucleus where electrons may be found
2. A chemical bond formed when atoms share three pairs of an electron
3. Uses dots to represent valence electrons around an elements atomic symbol
5. A charged atom due to its loss or gain of negative electrons
7. Apure substance made up of only one kind of atom
9. A chemical bond resulting from the attraction between oppositely charged ions
10. A chemical bond formed when atoms share one part of an electron
12. A chemical bond formed when atoms share two parts of an electron
13. Negatively charged particles located outside the nucleus of an atom
14. The average mass of all the isotopes of an element
16. Created in and atom when it has more electrons then protons
19. Created in an atom when it has more protons then electrons
20. The center part of an atom where protons and neutrons are located