Chemistry topic 1 IB

15 flashcardsby Emma
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1
Define deposition
Gas to solid
2
Define sublimation
Solid to gas
3
Define an atom
The smallest molecule of an element that still has the properties of that element
4
Define an element
Made up of one type of atom
5
Define a molecule
Two or more atoms with the same (or different) properties chemically bonded together, mostly non metals
6
Define a compound
Two or more type of atoms chemically bonded together in fixed proportions
7
Define a heterogeneous mixture
Non-uniform composition, can not see difference in mixture
8
Define a homogeneous mixture
Same-uniform complex, can not see difference in mixture
9
Define relative atomic mass
Masses of atoms
10
Define relative molecular mass
Sum of relative atomic masses of the individual atoms making up a molecule
11
Define a mole
Fixed number of particles and refers to the amount of substance, n
12
Define a molecular formula
Simplest whole number ratio of the elements present in a compound
13
Define the molar mass and give units
The mass of one mole of a substance, g/mol
14
Define theoretical yield
Maximum amount of product that can be produced assuming all the limiting reactant has reacted
15
% Yield equation
actual / theoretical
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