Across
- 1. matter is made of
- 4. bond between 2 nonmetals
- 5. bond between a metal and a nonmetal
- 6. everything in the world is either made of matter or
Down
- 2. what you need to calculate how many neutrons are in an atom
- 3. number of electrons in an element is the same as
- 7. phase of matter that fits into any container