Chemistry Vocab

2. A chart of all known elements that scientists reference when working with atoms or molecules.
7. The number of protons in the nucleus of each element.
8. Two or more atoms bonded together.
9. Repeating rows of the periodic table that demonstrate patterns of how elements are arranged.
11. An abbreviation for the name of an element on the periodic table.
13. Characteristics of elements that help to identify what they are.
14. The average mass of the nucleus of that element.
16. A subatomic particle of an atom that is negatively charged and orbits the nucleus extremely fast.

1. A subatomic particle with no charge located at the center of an atom.
3. The basic unit of matter made up of protons, neutrons, and electrons.
4. Elements arranged in vertical columns of the periodic table that share the same properties.
5. A positively charged subatomic particle located at the center of an atom.
6. Protons and neutrons clump together at the center of an atom to form the nucleus of an atom.
10. Pure substances made of only one type of atom.
12. Anything that has mass and takes up space.
15. Elements that are good conductors of electricity and thermal energy and are often solid at room temperature.