Across
- 3. any of the elements beryllium, magnesium, calcium, strontium, barium, and radium, occupying Group IIA (2) of the periodic table
- 4. the chemical elements found in Group 1 of the periodic table
- 6. any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table
- 9. the first two families (Groups I and II on the far left) and the last six families or groups (on the right) of the Periodic Table
- 11. any of the set of metallic elements occupying a central block (Groups IVB–VIII, IB, and IIB, or 4–12) in the periodic table, e.g., iron, manganese, chromium, and copper
Down
- 1. one of a group of chemical elements on the periodic table. They are normally shown in two rows below all the other elements
- 2. an element whose properties are intermediate between those of metals and solid nonmetals
- 5. an element or substance that is not a metal
- 7. a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
- 8. any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table
- 10. the statement that the chemical and physical properties of the elements recur periodically when the elements are arranged in the order of their atomic weights