Atoms Vocabulary

2. The basic unit of a chemical element.
4. A subatomic particle of about the same mass as a proton but without an electric charge, also found in the nucleus of an atom. Neutral.
5. an individual thing or person regarded as single and complete but which can also form an individual component of a larger or more complex whole.
11. of or relating to things perceived through the senses as opposed to the mind
12. charge the physical property of matter that causes it to experience a force when placed in an electromagnetic field.
14. To push back or away by a force. The North Pole of a magnet will repel the North Pole of another magnet.
16. Different types of atoms that can bond together to make molecules.
17. not mixed or adulterated with any other substance or material.
19. The atom’s center, it contains a cluster of protons and neutrons.
20. A force of attraction that holds atoms together in a molecule.

1. A subatomic particle found in the nucleus of an atom, with a positive electrical charge.
2. Theory of Matter States that each type of matter is made of only one type of atom.
3. Cannot be divided.
6. substance is a form of matter that has constant chemical composition and characteristic properties.
7. a particular kind of matter with uniform properties.
8. Characteristics of a substance that is observed physically or during a reaction in which the chemical composition or identity of the substance is changed.
9. A particle smaller than an atom.
10. Any basic units of matter and energy.
13. Subatomic particle with a negative charge found in the electron cloud surrounding the nucleus of an atom.
15. Luster, color, shape, combustibility.
18. A substance made of atoms that are all the same. They are chemically pure substances that cannot be broken down.