Across
- 4. neutrally charged subatomic particle
- 6. there are one hundred and _________ elements on the periodic table
- 7. positively charged subatomic particle
Down
- 1. electrons are located in the electron _____
- 2. the smallest component of an element that still has properties of that element
- 3. first element of the periodic table
- 4. protons and neutrons located here
- 5. negatively charged subatomic particle