Term
| What makes Hydrogen stand out compared to the other Alkali metals? |
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Definition
| it is a nonmetal & it gains electrons |
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Term
| List three characteristics of both Ionic bonds and Covalent bonds. |
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Definition
Ionic
1. gain or loses electrons
2. usually between metals & nonmetals
3. good electric conductor
Covalent
1. share electrons
2. not good conductors
3. brittle |
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Term
| What Group of metals is the softest? |
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Definition
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Term
| Higher the electronegativity the _______ the bond strength. |
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Definition
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Term
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Definition
| 2 or more elements, usually metals. |
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Term
| Which group on the periodic table is the MOST stable? |
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Definition
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Term
| What is the difference between an organic compound and an inorganic compound? |
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Definition
organic: 1 or more carbon atoms linked together in a chain.
inorganic: no chains of carbon |
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Term
| Which side of the periodic table usually loses electrons? |
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Definition
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Term
| which side of the periodic table usually gains electrons? |
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Definition
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Term
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Definition
| tendency to form chains & rings of similar atoms |
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Term
Tell whether each Compound is Ionic or Covalent then draw what the end result should look like.
1. N2
2. MgO
3. C3H6
4. K2O
5. S2
6. NaCl |
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Definition
1. N2- covalent
2. MgO- ionic
3. C3H6- covalent
4. K2O- ionic
5. S2- covalent
6. NaCl- ionic |
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Term
Draw the molecular shapes of the following
a. Linear
b. Trigonal planar
c. Bent (one lone electron pair)
d. Tetrehedral
e. Trigonal pyramidal
f. Bent (2 lone electron pairs)
g. Trigonal bipyramidal |
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Definition
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Term
| What is the difference between saturated and unsaturated compounds? |
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Definition
| saturated only have single bonds & unsaturated have double bonds. |
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Term
| draw cyclopentane & cycloheptane |
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Definition
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Term
| What is an isomer and draw an example of a structural isomer? |
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Definition
isomer- 2 or more substances with the same molecular formula, but different structures
see study guide for example |
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Term
| Give an example of a positional isomer. |
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Definition
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Term
| draw an example of a functional isomer. |
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Definition
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Term
| Draw a geometric isomer (cis & trans) |
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Definition
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Term
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Definition
| particles are in constant motion |
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Term
| How can the kinetic theory be used to explain the pressure of a gas? |
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Definition
| the smaller the volume, the greater the pressure. |
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Term
| What is the pressure at sea level? |
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Definition
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Term
| What is the difference in pressure when you are on a mountain vs at the bottom of the ocean? |
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Definition
| in mtns, pressure is low @ bottom of ocean, pressure is at its highest. |
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Term
| if the volume of a container is halved what happens to the pressure? |
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Definition
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Term
| How are temperature and Kinetic energy related? |
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Definition
| the higher the temperature, the higher the Kinetic energy |
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Term
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Definition
| the temperature at which all molecular motion should cease |
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Term
Change the following to Kelvin
a. 38 C
b. 12 C |
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Definition
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Term
Change the following to Celcius
a. 872 K
b. 384 K |
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Definition
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Term
| How do scientists hope to use plasma in production of energy? |
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Definition
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Term
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Definition
Solute: being dissolved
Solvent: doing dissolving
universal solvent: H2O |
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Term
| Polar dissolves in _________. |
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Definition
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Term
| Nonpolar dissolves in _______. |
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Definition
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Term
| What is the difference between an unsaturated, saturated, and supersaturated solution? |
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Definition
unsaturated: add more solute
saturated: max. amount of solute
supersaturated: over max. amount, solute falls out |
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Term
| What are 3 ways to increase the rate of solubility? |
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Definition
1. adding heat
2. stirring
3. increase surface area, make particles smaller |
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Term
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Definition
| mixtures composed of 2 phases of matter, the dispersed phase & the continuous phase. |
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