Across
- 3. Horizontal row of elements on the periodic table
- 5. Poor conductors of heat and electricity
- 7. Are elements that are shiny and conduct heat and electricity well
Down
- 1. The smallest particle into which an element can be divided and still be the same element
- 2. Elements that have some properties of nonmetals
- 4. Each vertical column of elements on the periodic table
- 6. These negatively charged particles later become known as what