Across
- 1. rows on the periodic table
- 4. atomic __ is the total of the protons and neutrons
- 5. type of bond where nonmetal bonds with another nonmetal
- 8. because an atom is neutral there is an ___ number of protons and electrons
- 9. elements touching the stair step line on periodic table
- 10. when an atom gains or loses an electron
- 11. atomic number is the number of
- 12. type of bond where nonmetal bonds with metal
- 13. columns on the periodic table; also called families
Down
- 2. the periodic table is arranged in order of ___ atomic number
- 3. in a covalent bond electrons are ___
- 4. largest section of the periodic table
- 6. atoms join together to form these
- 7. when an atom gains or loses a neutron