- Shuffle
Toggle OnToggle Off
- Alphabetize
Toggle OnToggle Off
- Front First
Toggle OnToggle Off
- Both Sides
Toggle OnToggle Off
Front
How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
PLAY BUTTON
PLAY BUTTON
15 Cards in this Set
- Front
- Back
|
What is a heterogeneous mixture?
|
not having a uniform composition throughout.
|
|
What is a pure substance?
|
A fixed composition and differs from a mixture. An element.
|
|
What is an example of a heterogeneous mixture?
|
kool-aid, salad
|
|
What is the 18th group on the periodic table called?
|
Noble gases
|
|
what group number are the halogens?
|
17
|
|
What are valence electrons?
|
Electrons in the outermost shell
|
|
What is the sum of the oxidation numbers?
|
8
|
|
What is a chemical property?
|
The ability of a substance to undergo a change that transforms the substance
|
|
What is an example of a physical change?
|
Cutting hair, freezing water
|
|
What is an electrolyte?
|
A substance that is dissolved in water to make an electric current
|
|
What is the charge of the alkaline metals?
|
+1
|
|
What group in the periodic table are the most reactive non-metals?
|
Halogens
|
|
What is the best way to dilute acids?
|
Slowly add water
|
|
Name 2 examples of proper attire for a lab.
|
Hair up, goggles, no loose clothing, gloves, apron, closed toed shoes, etc....
|
|
What is the neutral solution of a pH?
|
7
|
