Across
- 3. positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
- 6. a positive subatomic particle found in the nucleus of an atom
- 10. Table a quick reference for associating the name and symbol of an element.
- 14. separating a mixture using a filter
- 15. Mixture is uniform throughout, the substances are evenly mixed and cannot be visibly distinguished
- 17. Formula The formula says what atoms, and how many of each type, are in the
- 20. Number the number of protons in the nucleus of an atom
- 23. the ability to undergo a chemical reaction with another atom, molecule, or compound.
- 25. is a horizontal row of the periodic table.
- 26. physical combinations of two or more different substances that retain their own individual properties and are combined physically (mixed together)
- 28. a negatively charged subatomic particle found outside of the nucleus of the atom
- 29. a subatomic particle with no charge (neutral) found in the nucleus of the atom
- 30. what is doing the dissolving (many times water)
Down
- 1. substance produced during a chemical reaction
- 2. elements and compounds- substances cannot be separated physically
- 4. process by which materials deteriorate due to a reaction with oxygen
- 5. pure substances that are composed of two or more types of elements that are chemically combined
- 7. Mixture is not uniform throughout, the component substances can be visibly distinguished
- 8. number written below the line
- 9. elements with similar properties that create a “staircase” on the periodic table
- 11. substances that cannot be broken down into simpler substances
- 12. elements with similar properties found on the right side of the “staircase” on the periodic table
- 13. substances that begin the chemical reaction
- 14. is a column of elements on the periodic table.
- 16. what is being dissolved
- 18. Mass the number of protons and neutrons in the atom, measured in AMU
- 19. Substance substances that are made of only one type of particle
- 21. of Conservation of Mass law that states that matter cannot be created nor destroyed
- 22. pure substances that are composed of two or more types of elements that are chemically combined
- 24. forms of the same element that contain equal numbers of protons but different numbers of neutrons
- 27. elements with similar properties found on the left side of the “staircase” on the periodic table
- 30. a mixture of a solute and solvent- homogeneous mixture