Elements, Compounds, Mixtures
Chemical Formulas
Changes in Matter
Chemical Reactions
Hodge Podge
100
A pure substance that cannot be broken down any further
Element
100
Formula for simple sugar/glucose
C6H12O6
100
Bending, Cutting, and Dissolving Sugar in Water are exaples of what type of change.
Physical
100
The substances on the left side of an equation
Reactants
100
Chicken Noodle Soup is an example of a _______ mixture
Heterogeneous
200
Made of 2 or more different elements
Compound
200
Each element is represented by a 1, 2 or 3 letter _________.
Symbol
200
A physical change of going from a solid to a gas is called
Sublimation
200
The substances of the right side of the equation
Products
200
Air is an example of a ____________ mixture
Homogeneous
300
Composed of 2 or more substances that are combined physically
mixture
300
The little number after an element which tells the number of atoms there are of that element
Subscript
300
A physical change of going from a Gas to a Solid is called
Deposition
300
Yields, Equals, or Makes is represented by a _________
Arrow / ------>
300
How many total atoms are in 3Ca2CO3
18
400
H2 is an example of a ____________
Molecule
400
The big number before an element shows how many molecules there are
Coeficient
400
When two solutions are mixed together a solid substance may form called a
precipiate
400
Matter can not be created or destroyed, only rearranged
Law of Conservation of Matter
400
What is the total number of atoms on the reactant side? 2CH4 + 2 O2 ----> CO2 + 2 H2O
14
500
Another name for a homogeneous solution
Solution
500
How many atoms of Oxygen are there in 2CO2
4
500
When a new substance is formed what kind of change has occured
Chemical
500
Has the same number of each kind of atom on each side of the equation
Balanced
500
Balanced or Unbalanced? 4Al + 3O2 ---> 2Al2O3
Balanced
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