Across
- 2. impure substance containing elements, compounds or both
- 8. symbolic representation of a compound
- 10. combining capacity of an element
- 11. the smallest particle of an element or compound, capable of independent existence
Down
- 1. a group of atoms of elements that behaves like a single unit and carries charge
- 3. an atomthat has gained or lost one or more electrons, resulting in a net positive or negative charge
- 4. pure substance that consist of only one type of atoms
- 5. number of atoms in a molecule of an element
- 6. shorthand representation of an element
- 7. pure substance formed by the chemical combination of two or more different elements in a fixed ratio by mass
- 9. the smallest particle that takes part in a reaction