Across
- 3. a mathematical relationship or rule expressed in symbols
- 5. substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter
- 6. a character, usually a letter or number, that's printed slightly below and to the side of another character
Down
- 1. A set of symbols showing the composition of a chemical compound
- 2. the basic unit of a chemical element
- 3. a number or quantity placed (generally) before and multiplying another quantity
- 4. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.