Across
- 2. the number of protons in the nucleus
- 3. the vertical column in which the elements are grouped.
- 6. member of the carbon group,(group 14)
- 7. in the d-block of the periodic table, this means that their highest energy subshell is always a d
- 10. a member of the nitrogen group of elements
- 13. on the left of the periodic table
- 14. on the left of the noble gases on the periodic table
- 15. the first column of the periodic table
Down
- 1. A small group of elements whose members touch the zigzag line
- 4. a row of chemical elements
- 5. element a temporary name that is based on the atomic number as a root
- 8. on the right side toward the upper right corner.
- 9. the average mass of the protons, neutrons, and electrons in an atom.
- 11. the far right of the periodic table and were previously referred to as the inert gases
- 12. a column of elements in the periodic table