Across
- 3. all particles attract each other with a force proportional to the product of their masses and inversely proportional to the square of their centers distance
- 5. SI derived unit for radioactivity
- 7. showing a spectrum by radiation transmitted through a substance, showing lines and bands
- 8. identical to a helium atom and consisting of two protons and two neutronsns
- 10. distance between two points along a section of a curve
Down
- 1. force acting on a body moving in a circular path that is directed towards the center of that path
- 2. concept that every particle or quantum entity can be described as a particle or a wave
- 4. the speed of an object rotating or revolving around another point
- 6. concept of a physical object having nonzero mass but takes up no space in modeling of volume or linear dimension
- 9. a particle representing a quantum of light or other electromagnetic radiation