Across
- 4. table of elements all the chemicals and elements
- 6. structure of all matter
- 7. is a horizontal row of the periodic table
- 8. a group of atoms bonded together
- 10. is a proton without electrical charge
Down
- 1. is a particle in a atom that has no electrical charge
- 2. is a positive elective charge
- 3. two more separated elements
- 5. made of only of atoms with the same protons
- 6. number is the number of protons an a nucleus
- 9. a column of the periodic table