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

Ch.2 (FInal)

Minerals

QuestionAnswer
(T/F) A mineral is defined as a crystalline solid that is naturally occurring, has a specific chemical composition and forms through geologic processes. True
(T/F) The atomic mass number is equal to the number of neutrons in an atom. False
(T/F) The atomic number of an element is equal to the number of protons in each atom. True
(T/F) Rocks are defined as naturally-formed aggregates of minerals or mineral-like substances. True
(T/F) Silica is a term for oxygen combined with silicon. True
(T/F) Both graphite and diamond are made of carbon. True
(T/F) All of the most common rock-forming minerals in Earth's crust are silicate minerals. True
(T/F) Minerals that have the same chemical composition but have different crystalline structures exhibit polymorphism True
(T/F) Color is the least reliable physical property in mineral identification. True
In order for a particular type of material to be classified as a mineral, it must ____. All of the answers are correct.
The atomic number of an element equals the number of _____ in each atom. protons
_______ of an element are atoms containing different numbers of neutrons but the same number of protons Isotopes
The two most abundant elements in Earth's crust are __. oxygen and silicon
The _____ group and the ___ group are sheet silicates characterized by one direction of cleavage. mica; clay
Two examples of framework silicates are _____ and ______. quartz; feldspar
_____ is the ability of a mineral to break, when struck or split, along preferred planar directions. Cleavage
A silica tetrahedron is composed of four atoms of the element ___ and one atom of __. oxygen; silicon
The common mineral ___ is an example of an isolated silica tetrahedron structure. olivine
Five of the six minerals collectively known as asbestos contain single chains of silica tetrahedral and belong to the _______. pyroxenes
The ______ group of minerals is characterized by two parallel chains of silica tetrahedra in their structure amphibole
The _____ group of minerals are sheet silicates mica
The mineral ___ is an example of a native element. graphite
The third most abundant element in the Earth's crust is ______; it is more common than iron. aluminum
____ is the most common element in the Earth's crust. Oxygen
____ elements make up 98% of the Earth's crust. 8
The most common minerals in the Earth's crust are the _______. silicates
On Mohs' scale of hardness your fingernail has a value of ____. 2.5
Created by: Thomas.Siu
Popular Science 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