Periodic Table
Across
- 3. Uses the symbol for an element and dots representing the number of electrons in the element's outer energy level
- 5. Vertical column in the periodic table
- 9. Property of metals and alloys that allows them to be hammered or rolled into thin sheets
- 10. Element, such as radium, whose nucleus breaks down and emits particles and energy
Down
- 1. Elements in groups 3 through12 of the periodic table; occur in nature as uncombined elements and include the iron triad and coinage metals
- 2. Element that usually is a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and typically is not shiny
- 4. Element that shares some properties with metals and some with nonmetals
- 6. Organized list of all known elements that are arranged by increasing atomic number and by changes in chemical and physical properties
- 7. Element that is shiny, malleable, ductile, and a good conductor of heat and electricity
- 8. Horizontal row in the periodic table