Across
- 5. across a periodic table is called
- 6. Bond were electrons are shared
- 9. SI prefix meaning one-thousandth
- 10. Smallest particle of an element
- 12. Type of bond formed from electron transfer
- 15. state of matter that means dissolved in water
- 16. symbol for the element used in pennies after 1982
- 17. two charge Charge of alkaline earth metals
- 19. Ionic compounds dissolved in water will create
- 20. A vertical column on the periodic table
Down
- 1. Gases Element family containing He, Ne, Ar
- 2. Family containing F, Cl, Br
- 3. Relationship: mass ÷ volume = ?
- 4. number of protons in an atom
- 6. Compound formed from copper(I) and hydroxide
- 7. Transitional metal that has a fixed charge of plus 2
- 8. Process of making equal numbers of atoms on both sides of an equation
- 11. the symbol for tin
- 13. Two or more forms of an element with different neutron numbers
- 14. The mass per unit volume
- 18. Unit for measuring volume in labs