Periodic Table Crossword
Across
- 2. The number of protons in an atom's nucleus is __________ to its atomic number.
- 3. Matter made up of one kind of atom.
- 7. Positively charged subatomic particles.
- 9. Negatively charged subatomic particles.
- 11. Any of the six chemical elements that make up Group 1 of the periodic table.
- 14. The electrons on the outer orbital.
- 17. Subatomic particles with no charge.
- 19. An element whose properties are intermediate between those of metals and nonmetals.
- 20. Atoms of the same element that have a different number of neutrons.
Down
- 1. Bond between nonmetals.
- 4. Anything that has a mass and takes up space.
- 5. Elements that are dull, brittle, and often a gas at room temperature.
- 6. A small nucleus positively charged surrounded by negative electrons moving around the nucleus in orbits.
- 8. Bond between a metal and nonmetal.
- 10. Chemical element that forms a salt when it reacts with metal.
- 12. An atom with a charge.
- 13. Elements that are shiny, good conductors, and found on the left on the Periodic Table.
- 15. The smallest particle of an element that retains the element's properties.
- 16. Columns (up/down) on the Periodic Table.
- 18. Rows (across) on the Periodic Table.