Across
- 4. second element of the periodic table created after the four super forces broke away
- 5. negatively charged particle located in the outer shells of an atom
- 7. forces gravity, strong nuclear, weak and electromagnetic.
Down
- 1. all physical things that have a mass and take up space
- 2. positively charged particle located in the nucleus of an atom
- 3. Bang a super charged black hole exploded. There was no matter before this explosion. Four super forces were made.
- 4. first element of the periodic table created after the four super forces broke away
- 6. neutral particle (no charge) located in the nucleus of an atom
