Atoms, Compounds and Mixtures
What is Gold (Au) classified as?
an element/atom
Is a salad at heterogenous or homogeneous mixture?
Heterogeneous
Fill in the blank: Solutions are special types of homogeneous mixtures where one substance _________ into another substance.
dissolves
What would be the most effective way to separate a mixture of M&M's and Skittles
By hand
When is Ms. Borrelli's birthday?
Feb. 23rd
What is water classified as?
H20 is a compound
What is a homogeneous mixture?
A mixture with uniform properties and composition through out. It is evenly mixed and you cannot see the different parts
What do we call the substance that is dissolved into another substance?
The solute
What would be the most effective way to separate a mixture of rice and sand?
sift/screen/sieve
Where was Ms. Borrelli born?
Florida
What is saltwater classified as?
a mixture
Give one example of a heterogeneous mixture and two examples of a homogeneous mixture.
Answers may vary
Name one way you can increase a substance's solubility rate:
stirring, shaking, crushing, heating, etc
What is the most effective way to separate a mixture of dissolved solids and a liquid?
evaporation/special filter
What famous Scientist attending school at Boody?
Carl Sagan
Which substance is a compound?: salt, silver, or tea?
salt- NaCl
How can you desalinate a homogenous mixture of salt water to make it drinkable?
Distillation or reverse osmosis
What is the solvent in a chocolate milk solution?
the milk
What physical property would help you figure out how to separate a mixture of sand and sugar?
solubility
What is a pirate's favorite letter?
THE C!
What is the difference between a compound and a mixture?
Acceptable answers: compounds are atoms that are chemically bonded and mixtures are substances that are not chemically bonded.
Mixtures are two or more substances in the same place but not chemically bonded, while compounds are two or more atoms that are chemically bonded
Mixtures can be physically separated, compounds cannot.
Heterogeneous
Identify one substance that is soluble in water and one substance that is insoluble in water.
Answers vary
What two separation techniques would work best for a mixture of dirt, iron filings and coffee
magnet and filter
What is the loudest animal in the world?
A 7th grader, jk it's a sperm whale.