Across
- 4. A particle contained in the nucleus of an atom that has a positive electrical charge
- 5. Any cause that changes the position, motion, direction, or shape of an object
- 7. Any force that tends to hinder the movement of an object
Down
- 1. The number of electrons passing a given point in one second
- 2. The smallest particle that an element can be reduced to and still keep the properties of that element
- 3. The property of matter by which a mass persists in its state of rest or motion until acted upon by an external force
- 6. A particle contained in the nucleus of an atom that has no electrical charge
- 8. The heavy, dense center of an atom and has a positive electrical charge