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