Across
- 2. Waves that are created as a result of vibrations between fields
- 3. Each of more than one hundred substances that cannot be chemically broken down
- 12. The state of a physical system having the least energy of all the possible states
- 13. Range of wavelengths or frequencies of electromagnetic radiation
- 14. The lowest number in the visible spectrum
- 19. The emission of free electrons from a metal surface when light strikes it
- 21. A fundamental universal constant that defines the quantum nature of energy
- 24. The number of waves that pass a fixed place in a given amount of time
- 27. An ion with negative charge
- 28. Innermost shell of electrons surrounding an atomic nucleus and lowest available energy
- 29. A state of a physical system that is higher in energy than the ground state
- 31. Electrons are added to orbitals as protons are added to an atom
- 32. An electron in the outer shell of an atom with the chemical properties of atom
- 34. A positively charged ion
- 36. Atoms with the same number of protons but differ in numbers of neutrons
- 38. The number of a chemical element in the periodic system whereby the elements are arranged in order of increasing number of protons in the nucleus
- 39. Every orbital is occupied with 1 electron before any orbital is doubly occupied
- 41. Complete amount in the protons and neutrons in the nucleus of an atom
- 42. The color that has the lowest amount of energy
- 44. The middle group of the periodic table that has rows 3 4 5 and 6
Down
- 1. No 2 electrons in an atom can have identical values
- 4. A subatomic particle that has a negative charge of electricity
- 5. When an atom has an equal number of electrons and protons
- 6. An abbreviated symbolic writing method that increases speed and brevity
- 7. The minimum amount of energy that can be gained or lost by an atom
- 8. A subatomic particle found in the nucleus of atoms that has a positive electrical charge
- 9. Weight Equal to the number of protons neutrons and electrons
- 10. Places surrounding the nucleus of an atom where the electrons are most likely to be at
- 11. The arrangement of electrons around the nucleus of an atom or molecule
- 15. The group of atoms towards the bottom of the periodic table
- 16. The center core of an atom that has a positive charge and contains the atom's mass
- 17. A tiny particle of light or electromagnetic radiation
- 18. Table in which the elements are arranged in order of increasing atomic number
- 20. E=hv
- 22. The distance in the line of advance of a wave from any one point to the next point of corresponding phase
- 23. The color that has the highest amount of energy
- 25. Atom that has excess internal energy
- 26. Any of various self-contained units of matter or energy
- 30. A notation for one of the chemical elements; consisting of letters
- 33. Atom has a net charge of 0
- 35. The highest number in the visible spectrum
- 37. A subatomic particle found in the nucleus of every atom that has no electrical charge
- 39. One cycle per second
- 40. First group in the periodic table
- 43. Atom that has a positive/negative electric charge as a result of having lost/gained electrons