Across
- 2. The elements that belong to group 16 of the modern periodic table
- 3. A molecule or ion that can react both as an acid and as a base
- 5. Nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table
- 6. metal Elements in group 3 to 12 in periodic table
- 8. Chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself
- 9. Sequences of elements in periodic table in order of increasing atomic number
- 10. A Russian chemist and is considered the "father" of the periodic table
Down
- 1. of elements in periodic table with increasing number of electron shells
- 4. The process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons, often in conjunction with other chemical changes
- 7. Trend of atomic size across a period in perodic table
