Term
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Definition
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Term
| what kind of charge does an elctron have? |
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Definition
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Term
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Definition
| Elctrons move like planets orbitting the sun |
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Term
| What is an atomic number? |
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Definition
| Number of protons in one atom. |
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Term
| In the Electon cloud model, How do the scientist predit the electons location in atoms |
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Definition
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Term
| how do you find the number of nuetrons in an atom? |
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Definition
| sutract atomic number from the mass number |
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Term
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Definition
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Term
| what state of matter are most metals at room tempature? |
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Definition
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Term
| How did mendeleev arrange the known chemical elements in a table? |
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Definition
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Term
| Name three elements that contain only metals? |
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Definition
| sodium, calcium, copper. there are more this is just three of them. |
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Term
| what is the atomic number of Aluminum? |
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Definition
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Term
| what is the chemical symbol for Furloine? |
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Definition
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Term
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Definition
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Term
| what do the dots in the electron dot diagram repesent? |
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Definition
| number of valience electons |
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Term
| what is the formula for patassium choride? |
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Definition
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Term
| why do atoms gain or lose electons? |
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Definition
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Term
| what moves ( transfer) from one atom to another during an ionic bond. |
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Definition
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Term
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Definition
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Term
| what number would water be on the Ph scale? |
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Definition
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Term
| name one vegtable or fruit that would NOT taste acidic? |
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Definition
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Term
| what are 2 common proporties of bases? |
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Definition
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Term
| name 2 common properties of an acid? |
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Definition
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Term
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Definition
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Term
| bleach has a Ph of about 12 is it acid or a base? |
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Definition
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Term
| what is the rate of motion of an object? |
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Definition
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Term
| what is speed measured in? |
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Definition
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Term
| what to varibles do we need to find speed? |
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Definition
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Term
| A turtle take 30 sec to move across a board that is 15 meter. What is the turtles averge speed? |
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Definition
D = 15meters
S=?
T= 30 seconds
distance/time= speed
15 meter/30 seconds
0.5 m/s
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Term
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Definition
| the rate at which speed changes |
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Term
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Definition
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Term
| what is the unit for work? |
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Definition
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Term
| what does a machine multipy? |
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Definition
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Term
| where is the folcrum in a first class lever? |
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Definition
| between the Effort force and the load |
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Term
what is the machanical advantage?
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Definition
| the number of times the machine multilys the effort force. |
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