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chapter 2&3 vocabulary
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solute : a substance that is dissolved in a solution
polar covalent bond : a covalent bond between atoms that differ in electronegativity
valence shells : the outermost energy shell of an atom
valence electrons : the electrons n the outermost electron shell
solution : liquid that is a homogenious mixture of 2 or more substances
matter : anything that takes up space and has mass
anion : a negatively charged ion
adhesion : the attraction between different kinds of molecules
potential energy : energy that matter possesses
energy : capasity to cause change
atomic nucleus : an atoms central core
radioactive isotope : one in which the nucleus decays spontaneously, giving off particles and energy
mass number : the sum of the number of protons and neutrons in an atoms nucleus
dalton: a measuring of mass for atoms and subatomic particles
electrons : a subatomic particle with a single negative charge
chapter 2&3 vocabulary
Across:| 3. | a covalent bond between atoms that differ in electronegativity | | 5. | a subatomic particle with a single negative charge | | 7. | a negatively charged ion | | 8. | anything that takes up space and has mass | | 12. | the attraction between different kinds of molecules | | 14. | a measuring of mass for atoms and subatomic particles | | 15. | an atoms central core |
| | Down:| 1. | one in which the nucleus decays spontaneously, giving off particles and energy | | 2. | a substance that is dissolved in a solution | | 4. | the electrons n the outermost electron shell | | 6. | liquid that is a homogenious mixture of 2 or more substances | | 9. | energy that matter possesses | | 10. | capasity to cause change | | 11. | the sum of the number of protons and neutrons in an atoms nucleus | | 13. | the outermost energy shell of an atom |
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© 2014
PuzzleFast.com, Noncommercial Use Only
chapter 2&3 vocabulary
Across:| 3. | a covalent bond between atoms that differ in electronegativity | | 5. | a subatomic particle with a single negative charge | | 7. | a negatively charged ion | | 8. | anything that takes up space and has mass | | 12. | the attraction between different kinds of molecules | | 14. | a measuring of mass for atoms and subatomic particles | | 15. | an atoms central core |
| | Down:| 1. | one in which the nucleus decays spontaneously, giving off particles and energy | | 2. | a substance that is dissolved in a solution | | 4. | the electrons n the outermost electron shell | | 6. | liquid that is a homogenious mixture of 2 or more substances | | 9. | energy that matter possesses | | 10. | capasity to cause change | | 11. | the sum of the number of protons and neutrons in an atoms nucleus | | 13. | the outermost energy shell of an atom |
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© 2014
PuzzleFast.com, Noncommercial Use Only