Across
- 2. A type of Pure Substance that is made up of two or more elements bonded together
- 5. A measurement of the acidity of a substance
- 8. This number provides the number of protons and neutrons in the nucleus of an atom
- 10. The type of element that typically loses electrons to become stable
- 11. When the total number of atoms on both sides of a reaction are equal, that reaction is ______________
- 12. These elements do not form ions
- 13. The only family the is chemically stable
- 15. What element has 3 energy levels and 2 valence electrons?
- 16. A form of matter where all particles that make it up are the same type
- 17. Name for a positively charged ion
- 20. A measurement of the rate at which a substance flows
- 21. A bond between a metal and a nonmetal
- 22. As an ion this element has 17 protons and 18 electrons
- 23. Name for a negatively charged ion
- 24. Any substances that are made as a result of a chemical reaction
- 25. A type of Pure Substance that is made up of single particles all of the same type
- 26. What element has 9 protons, 10 neutrons and 9 electrons?
- 27. A group of elements that have similar chemical properties and the same valence electrons
- 30. A type of mixture where one substance dissolves in another
- 32. The area of the atom where electrons are located
- 33. The most reactive family of metals
- 34. A group of elements that have the same number of valence electrons
- 35. The electrons that are found in the outermost energy level of an atom
- 37. As an ion this element has 11 protons and 10 electrons
- 38. This number provides the number of protons and electrons in a neutral atom
- 39. A form of matter where a variety of different particles make it up.
Down
- 1. The number in front of a compound indicating how many molecules of that compound you have
- 3. A change of matter that produces a new substance with entirely new chemical properties
- 4. A measurement of the mass to volume ratio of a substance
- 6. The area of the atom where protons and neutrons are located
- 7. The term used to describe the charge of an atom as an ion
- 9. A type of mixture where the different parts of the mixture remain separate and are easily observed.
- 14. The number below an element in a chemical formula that indicates how many atoms of that element there are
- 16. The overall charge of the nucleus of an atom
- 18. The type of element that typically gains electrons to become stable
- 19. The total mass in a reaction cannot be created or destroyed, but it can take on different forms.
- 22. A bond between two or more nonmetals
- 28. A change in matter that does not alter the chemical composition of the substance, only its appearance
- 29. In an ionic bond the _________ always transfers valence electrons to the ______________
- 30. The most reactive family of nonmetals
- 31. In a covalent bond the valence electrons are ________ by the elements that bond.
- 36. Any substances that take part in a chemical reaction