Across
- 1. Same element but different number of neutrons
- 4. chemical name of the element "Cl"
- 7. Neutrons and protons both are found in the __________.
- 8. occupies space and has mass.
- 9. ions that gained electron
- 12. number of proton an element have.
- 15. ions that lost electron
- 16. column in the periodic table is called __________
- 17. Bond between Ions
Down
- 2. are made up of one type of atom.
- 3. number of proton and neutron
- 5. Electrons exist at energy levels surrounding the nucleus.
- 6. Row in the periodic table is called __________
- 10. Sharing of electrons between 2 elements
- 11. The chemical term for two atoms joining together is called ____________
- 13. chemical symbol for Sodium
- 14. the smallest unit of matter.
- 15. when different atoms are tightly joined together.