Across
- 2. a group of symbols that make a mathematical statement
- 3. a subatomic particle with zero charge
- 8. element with atomic number 1 and symbol H.
- 11. process by which one or more substances are altered to form new substances.
- 12. ionic compound formed by reacting an acid and a base; sometimes refers only to sodium chloride, NaCl.
- 16. combining light atomic nuclei to form a heavier nucleus, accompanied by the release of energy.
- 19. state of matter characterized by high degree of organization, with a stable shape and volume.
- 20. the name for the element with atomic number 8 and is represented by the symbol O. It is a member of the nonmetal group.
- 22. phase transition from the liquid phase to gas phase.
- 23. alkaline earth metal with element symbol Be and atomic number 4.
- 24. tabular arrangement of elements by increasing atomic number, ordered according to trends in recurring properties.
- 26. a compound formed by one oxygen atom and two hydrogen atoms. Usually this refers to the liquid form of the molecule.
- 27. describes the “pressure” that pushes electricity
- 29. a standard used for comparison in measurements.
- 30. able to be shaped or pounded with a hammer, usually applied to metals.
- 35. the name for the element with atomic number 53 and is represented by the symbol I. It is a member of the halogen group.
- 36. emitted energy in the form of rays, waves, or particles.
- 40. the amount of internal energy of a system that is available to do work.
- 41. set of chemical reactions in which products become reactants of another reaction.
- 44. it provides energy for a wide range of applications, from powering our homes and businesses to enabling communication and transportation.
- 45. Zinc is the name for the element with atomic number 30 and is represented by the symbol Zn. It is a member of the transition metals group.
- 48. high energy ionizing photons, originating from the atomic nucleus.
- 49. horizontal row of the periodic table; elements with the same highest unexcited electron energy level.
Down
- 1. region of negative charge surrounding the atomic nucleus that has a high probability of containing electrons.
- 4. mathematical function that describes the wavelike behavior of an electron.
- 5. either a substance in which all atoms are linked by single bonds, a solution that contains maximum dissolved solute concentration, or a thoroughly wetted material.
- 6. a device for making and breaking the connection in an electric circuit.
- 7. temperature at which the solid and liquid phase of matter coexist in equilibrium.
- 9. a vertical column on the periodic table consisting of elements that share periodic properties.
- 10. settling of sediment or particles onto a surface or the phase change from the vapor to solid phase.
- 13. relating to or containing an alkali
- 14. chemical reaction in which two reactants exchange anions/cations to form two new products using the same ions.
- 15. stable negatively charged subatomic particle.
- 17. a chemical process in which a substance reacts rapidly with oxygen and gives off heat
- 18. noble gas with element symbol Ne and atomic number 10.
- 21. splitting of atomic nuclei into two or more lighter nuclei, accompanied by an energy release.
- 25. atom or molecule that has a different number of protons than electrons and thus a net electrical charge.
- 28. number of electrons needed to fill the outermost electron shell.
- 31. a chemical species that accepts electrons or donates protons or hydrogen ions.
- 32. type of radioactive decay that results in spontaneous emission of a beta particle.
- 33. characteristic wavelengths of electromagnetic radiation emitted or absorbed by an object or substance.
- 34. a subatomic particle with a positive electrical charge
- 37. a chemical change that forms new substances.
- 38. relating to the path of one body around another
- 39. transition metal with element symbol Ti and atomic number 22.
- 41. allows the controlled flow of electricity, powering device
- 42. starting material for a chemical reaction.
- 43. the name for the element with atomic number 7 and is represented by the symbol N. Nitrogen is also known as azote and is a member of the nonmetal group
- 46. energy that flows between matter samples because of a temperature difference.
- 47. element 92 with symbol U.