Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
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

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/28

Click to flip

28 Cards in this Set

  • Front
  • Back
units that make up all matter
atoms
element
all atoms are alike, 90 (20 in labs)
compound
combines atoms of two or more elements, ratio always the same
substance
matter that can be an element or a compound, "pure"
mixtures
not same amounts, 5 types
heterogeneous
easily distinguished, separated
homogenous
uniformly
solution
homogenous, won't settle
colloid
heterogenous, never settles
suspension
heterogenous, settles
solution2
same composition, density, color, taste, homogenous
3 phases: solid, liquid, gas
solute
being dissolved
solvent
dissolving
alloys
solutions made by melting the metal solute and solvent together
dissolving
occurs at surface, stir,temp,sufacearea
gases
affected by pressure, temperature(opposite of solids-decrease)
water
universal solvent, polar, constant motion
like dissolves like
why water can't dissove some substances
soap
polar (COOH) + nonpolar (?)
vitamins
polar(water soluble):b,c
nonpolar(fat soluble):a,d,e,k
solubility
max amount of solute that can be dissolved in given amount of solvent at given T
concentration vs. dilute
lots of solute vs. lots of solvent
electrolytes
compounds that produce solutions of ions that conduct electricity in water, can be strong or weak
ionization
process of froming ions
dissassociation
ionic solid separates into positive and negative
solute affects
freexing point and boiling point
water
polar, hydrogen bond(stronger), crystalline ice
Tyndall effect
scatter light beam through solid