Periodic Table

5. The number of protons that are in an atom of that element.
6. A ___ bond, involves the electrostatic attraction between oppositely charged particles.
8. The columns on the periodic table.
11. Electrons the outermost shell of an atom that interacts with other atoms to form chemical.
12. A pure substance made of only one type of atom.
13. Located on the right side of the periodic table, elements that are usually gases, or brittle solids.
15. Elements that have properties of both metals and nonmetals. They sit in the middle between metals and nonmetals on the periodic table.
16. A chart that organizes all known elements in a specific order.
17. Particles with a positive charge.

1. The Rows on the periodic table.
2. Atoms of the same element that have the same number of protons but a different number of neutrons.
3. The Periodic Table is divided into ____ main sections.
4. Particles with no charge.
7. A ___ bond, involves sharing electrons to for electron pairs between atoms.
9. Located on the left side of the periodic table they are elements that are shiny and conduct electricity well.
10. Particles with a negative charge.
14. The total mass of protons, neutrons, and electrons in an atom.