Across
- 3. Table/ A table where the elements are sorted into groups such as, metals, nonmetals, metaloids and gasses
- 4. The horizontal lines of the periodic table
- 5. The vertical items of the periodic table
Down
- 1. Number/ The number of protons in the nucleus is called it's proton number, but is more commonly known as an elements-
- 2. The periodic table contains information about pure substances called-