Across
- 4. the ratio of the mass of a substance per unit volume
- 5. composition is variable; easily separated
- 6. property of metals wherein they're able to be drawn to wire or sheets
- 7. amount of material contained in a body
- 10. a process of comparing something with a standard (devices) to see how many times as big it is with a standard
- 12. substance single component; constant composition
- 13. refers to the hotness or coldness of a substance
- 15. element that is best for conducting heat and electricity
- 17. smallest exact digit or line which is taken directly from the instrument or device
- 19. it a non-metal that behaves like a metal
- 21. group of the horizontal rows in the periodic table
- 22. ratio of the weight of a substance to the weight of equal volume of water
- 24. number it is the identity of the element; equal to the # protons and electrons
- 25. measure of the pull of gravity of Earth
- 27. French man who contributed the Helix in 1889
Down
- 1. is an ion that is negatively charged, and is attracted to the cathode (negative electrode) in electrolysis
- 2. is an ion, which has a net positive charge, is attracted to the anode (positive electrode) in electrolysis
- 3. English man who contributed the Law of Octave in 1865
- 4. German who contributed in the development of the periodic table in 1829
- 5. is anything that has mass and volume
- 8. this theory stated that when the volume increases the density becomes smaller
- 9. he focused on the chemical properties of the elements and his contribution to the periodic table is superior
- 11. simplest form of substance
- 14. Latin name for Ag
- 16. property of metals that can be hammered into thin sheets
- 17. phenomenon wherein a substance can behave as acid or base at the same time
- 18. consisting of 2 or more elements but in a definite ratio
- 20. smallest estimated value from the device
- 23. systematic arrangement of known elements based on increasing atomic number
- 26. group of the vertical rows in the periodic table