The two major catergories that matter can be classfied into are _____________ and ________________.
Pure Substance and Mixture
In order for matter to be correctly classfied you must know _________________.
The composition or what it is made up of.
The composition of a pure substance will be ______________.
Fixed
The seven diatomic elements are __________________________.
Iodine, Hydrogen, Nitrogen, Bromine, Oxygen, Chlorine, Flourine
Fe, Kr, Mg, and Ca are all examples of a(n) _________________.
Element
What is a similarity between elements and compounds?
They each have fixed compositions; each are a pure substance
What are the two types of mixtures?
Homogeneous;Heterogeneous
A compound will always change the __________ of the elements involved.
Identity
Milk is an example of a colloid. What does this mean?
The particles in the milk do not settle. They are supspended.
The Hoffman Apparatus we discussed in class, is used to chemically separate out which well known compound?
Water - H2O
What is the difference between a homogeneous mixture and a heterogeneous mixture?
Homogeneous mixtures are evenly mixed throughout and appear visually to be one thing; Heterogeneous mixtures you can visibly see the different parts.
