Definitions
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Periodic Table
Ions and Molecular Compounds
100
The Law of Conservation of Mass
What is the idea that mass is neither created or destroyed
100
When a wire is cut, and the material has not been changed into a new material, this is an example of what type of change?
What is a physical change
100
the 3 subatomic particles and their charges
What is electron (-), proton(+), and neutron (0)
100
the number of protons in the atom is represented by this
What is the atomic number
100
the formula is NaCl
What is Sodium Chloride
200
An educated guess
What is a hypothesis
200
When a cake is baked and the original substance becomes something entirely different, this type of change has occurred.
What is a chemical change
200
100,000 ml
How many mL are in 100 L
200
the number of protons and neutrons in an atom is represented by this
What is atomic mass
200
The formula for Calcium Carbonate
CaCO3
300
Any atom with a positive charge
What is a cation
300
a blend of chicken and broth is an example of this, while the glucose we need is an example of what?
What is a mixture and a compound
300
6.02 x 10^23
What is Avagadro's Number?
300
elements on the left side of the periodic chart that tend to lose electrons easily
What are metals
300
The name for N2O3
DiNitrogen TriOxide
400
1.202 has this many significant digits
What is 4
400
A cup of black coffee is an example of what type of mixture, while dirt is an example of what other type of mixture?
What is homogeneous and heterogeneous
400
the maximum number of electrons that can occupy an the first orbital
What is 2
400
the 3rd orbital has this many possible valence electrons
What is 8
400
Formula for Copper II Chloride
CuCl2
500
1.45 x 20 has this many significant digits
What is 1
500
Electrons are lost and gained when making a new compound
What is bonding?
500
A pure substance
What is an element
500
Elements in group 1 have how many participants
What are 7
500
The number of moles in 5 grams of NaCl
What is 0.0856 moles.
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