Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

SCHS Chapter 2

Glencoe Chemistry Chp. 2

TermDefinition
accuracy refers to how close a measured value is to an accepted value
base unit is a defined unit in a system of measurement that is based on an object or event in the physical world. (7) time (second [s]), length( meter [m]), mass (kilogram [kg]), temperature (kelvin [K]), amount of a substance (mole [mol]), electric current 9ampere{A]), luminous intensity (candela ([cd])
conversion factor is a ratio of equivalent values used to express the same quantity of different units and is always equal to 1
density is a ratio that compares the mass of an object to its volume. Units of measurement are grams / cubic centimeters g/cm3
derived unit a unit that is defined by a combination of base units
dimensional analysis is a method of problem-solving that focuses on the units used to describe matter.
graph is a visual display of data
kelvin is the SI base unit of temperature. Freezes at 273 K and boils 373 K
kilogram is about 2.2 pounds defined by the platinum-iridium metal cylinder
liter amount of liquid in a container . V= one cubic decimeter
meter the distance that light travels through a vacuum in 1 / 299,792,458 of a second approx.... 3 inches longer than a yard (39 inches)
percent error is the ratio of an error to an accepted value. Percent error= error/ accepted value then times 100
precision refers to how close a series of measurements are to one another
scientific notation expresses numbers as a multiple of two factors: number between 1 and 10' and ten raised to a power or exponent.
second the frequency of microwave radiation given off by cesium-133 atom is the physical standard used to establish length of a second
significant figure include all known digits plus one estimated digit.
Created by: gayledains
Popular Chemistry sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards