science kmt
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Created by:
laurr333nn on December 3, 2009
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34 terms
Terms | Definitions |
|---|---|
 Kinetic Molecular Theory | KMT stands for the ___________ _____________ ______________. |
| Close, slow | Describe a solid in terms of KMT: molecules are (close, apart, very far apart) and the movement is (fast, slow, very fast). Circle the correct answers. |
| Energy | Heat also known as ____________ allows substances to change their state from solid to liquid to gas. |
| Absolute Zero | At this temperature molecules stop moving. ____________ _____________. |
| Melting | The change of state from solid to liquid is called ______________. |
| Vaporization | The change of state from liquid to gas is called ______________. |
| Condensation | The change of state from gas to liquid is called ______________. |
| Freezing | The change of state from liquid to solid is called ______________. |
| Sublimation | The change of state from solid directly to a gas is called ______________. |
| Amorphous | A solid that has no regular repeating pattern like butter or glass is called an ______________ solid. |
| Crystalline | Solids like salt and diamond have regular repeating molecular shape and are called ________________ solids. |
| Radiation | The transfer of heat from invisible electromagnetic waves like a fire or microwave oven is called ____________________ (convection, conduction, radiation) circle one. |
| Convection | The transfer of heat from air conditioning or a spa is called (convection, conduction, radiation) circle one. |
| Conduction | The transfer of heat from a hot pan or a freezing piece of ice is called (convection, conduction, radiation) circle one. |
| Atomic Mass Unit | What does A.M.U. stand for? ______________________________________. |
| 1 | Protons and Neutrons weigh how many A.M.U's each __________? |
| Isotope | What is the name for an element that has an irregular amount of neutrons? ___________________ |
| 19 | What is the weight of an element that has 9 protons, 10 neutrons, and 9 electrons? |
| Hg | Write the atomic symbol for Mercury? _______________ |
| 14.0067 | What is the atomic mass for Nitrogen? _______________ |
| 2 | How many electrons does Helium have? ______________ |
| 19 | How many protons does Potassium have? _____________ |
| 12 The atomic mass (rounded) - the atomic #. | How many neutrons does Sodium have? ______________ |
| 118 | How many neutrons does Gold have? ________________ |
| 70 | What is 20' Celsius converted into Fahrenheit? ___________ |
| 35 | What is 100' Fahrenheit converted into Celsius? ___________ |
| negative | What is the charge of an electron? |
| Positive | What is the charge of a proton? |
| Neutral | What is the charge of a neutron? |
| families or groups | The elements that have similar characteristics are found in columns also known as ____________ or __________________. |
| period | A row on the periodic chart is also known as a __________. |
| noble | The elements on the far right of the periodic chart are not very reactive. They are known as the ______________ gasses. |
| alkaline metals | The Elements on the far left of the periodic chart are very reactive and are known as ____________________ (alkaline metals, metalloids, non-metals) Circle one. |
| Dimitri Mendeleev | ex. This man arranged the periodic chart. _____________________________ |
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