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25
×
The seven diatomic elements are __________________________.
Iodine, Hydrogen, Nitrogen, Bromine, Oxygen, Chlorine, Flourine
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10
×
The two major catergories that matter can be classfied into are _____________ and ________________.
Pure Substance and Mixture
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eraser
Reset score!
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seesaw
Swap points!
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gift
Win 25 points!
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baam
Lose 25 points!
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20
×
A compound will always change the __________ of the elements involved.
Identity
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20
×
The composition of a pure substance will be ______________.
Fixed
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lifesaver
Give 20 points!
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gold
Win 50 points!
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fairy
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25
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thief
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10
×
What is a similarity between elements and compounds?
They each have fixed compositions; each are a pure substance
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5
×
What are the two types of mixtures?
Homogeneous;Heterogeneous
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20
×
Milk is an example of a colloid. What does this mean?
The particles in the milk do not settle. They are supspended.
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25
×
The Hoffman Apparatus we discussed in class, is used to chemically separate out which well known compound?
Water - H2O
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15
×
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.
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15
×
Fe, Kr, Mg, and Ca are all examples of a(n) _________________.
Element
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5
×
In order for matter to be correctly classfied you must know _________________.
The composition or what it is made up of.
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banana
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fairy
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25
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gift
Win 10 points!
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baam
Lose 25 points!
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