Across
- 7. This physical property deals with how much mass there is per unit of volume.
- 10. This physical property refers to how easily a substance's shape can be bent or shaped without breaking.
- 11. the chemical symbol for radon
- 13. This element has 2 electrons in its Bohr diagram.
- 14. We calculate an atom's number of neutrons by doing the following quick math operation: Mass _______ the protons.
- 15. We measure this physical property using grams.
- 16. A chemical change results in a new substance being __________.
- 17. This element has an atomic mass of 24, consisting of 12 protons and 12 electrons.
- 19. Reactivity is a __________ property
- 20. If you see a __________ change, this is evidence of a chemical change.
- 21. This particle is positively charged.
Down
- 1. this element has 11 electrons.
- 2. phosphorus has 16 of these particles.
- 3. The physical property that deals with how quickly a fluid runs.
- 4. the first element on the periodic table
- 5. When multiple elements are attached together in a chemically pure substance, they are called a _____________.
- 6. This element has 47 protons.
- 8. This element has 56 electrons
- 9. This is a chemical property based on how well something can catch fire.
- 12. Volume is a _________ property.
- 18. This particle has a negative charge.
- 20. this element has 6 protons and 6 electrons.
- 21. We find the elements all listed on the ____________ table.