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chem final

QuestionAnswer
Alloy A mixture of two or more metals
atomic radius Size of an atom. The trend is ↓← (bigger)
combustion a chemical reaction that occurs when a substance reacts with oxygen
Ex. CH4 + O2 → H2O +CO2
Decomposition A chemical reaction that breaks down compounds into simpler products. Ex. AB → A + B
di two
double replacement A chemical reaction where two elements in different compounds trade places. Ex. AB + CD → AC + BD
Electron Affinity the energy change that results from adding an electron to a gaseous atom. The trend is ↑→ (harder)
Electronegativity A measure of the ability of an atom in a chemical compound to attract electrons. The trend is ↑← (negative)
hepta seven
heterogeneous different; dissimilar (not mixed well)
hexa six
homogeneous of the same kind (well mixed)
IMF (intermolecular forces) - dipole dipole a bond consisting of polar bonds unless hydrogen bond
IMF (intermolecular forces) - Dispersion a bond consisting of NP bonds
IMF (intermolecular forces) - hydrogen bonding a bond consisting of N
ionazation energy the energy required to remove an electron from an atom. The trend is ↑→ (harder)
molarity moles of solute/liters of solution
mono one
nona nine
octa eight
penta five
Reactivity The ease and speed with which an element combines
Single Replacement one element replaces another element in a compound. Ex. A + BC → B + AC
Solution A homogeneous mixture of two or more substances (solute
Synthesis combining to a whole. Ex. A + B → AB
tetra four
tri three
What is this a picture of? Bent
What is this a picture of? Octahedral
What is this a picture of? Tetrahedral
What is this a picture of? Trigonal Planar
What is this a picture of? Trigonal Pyramidal
Created by: name_here
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