Across
- 2. An............ is a substance in which all atoms in it are alike
- 5. a nonmetal element that belongs to group IV and period
- 6. it is of nonmetal element but has conducts electricity
- 7. it is a metalloid element that is used in macro chips
- 8. Air is a mixture, mainly of oxygen and
Down
- 1. In which direction do periods go on periodic table
- 2. when you heat solids, it............
- 3. The periodic table is a table that lists
- 4. ........... is the hardest macro molecule of carbon
- 9. the nonmetal that belongs to group zero and period 2