Periodic Table Crossword By Rylie Restivo
Across
- 4. Atomic mass is the number of protons plus the number of ________________.
- 8. Atomic number is the number of _________________ an atom has.
- 10. A ____________ model has the number of electrons and rings.
- 13. Particles with a -1 charge that occupies the space around the nucleus.
- 16. Smallest particle of an element that retains the elements properties.
- 18. Negatively charged ion.
- 19. Elements that are shiny and good conductors.
- 20. An electron _____________ model is the most accurate model.
Down
- 1. Bond between nonmetals.
- 2. Group 17 on the Periodic Table.
- 3. Atoms of the same elment that have a different number of neutrons.
- 5. Rows (across) on the Periodic Table.
- 6. An atom with charge.
- 7. Columbs (up/down) on the Periodic Table.
- 9. ______________ gases are also called nonmetals.
- 11. An electron _________ model has the element symbol and valence electrons.
- 12. Metals are found on the ___________ side of the stair step on the Periodic Table.
- 14. Positively charged ion.
- 15. Elements that are dull, brittle, and often a gas at room temperature.
- 17. The positively charged center of the atom.