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Ch: 3.4 Vocab

Chemistry ch.4 tesh over Vocab

QuestionAnswer
Valence Electrons An electron that is found on the outer most shell
Group Element share chemical properties
Main group elements S-block and P-block
Nuclear Reaction A reaction that affects the nucleus of an atom
Alloy A metal mad by combining 2 or more metallic elements, to give grater strength or resistance to corrosion
Ionization Energy Amount of energy needed to remove all electron from an atom
Electronegative A measure of the ability of an atom in a chemical compound to attract electrons
Electron Shielding Reduced attraction between a positive charge nucleus and negative electron because for greater distance between nucleus and valence electron
Atomic Radius Measured as a bond radius
Fusion Reaction 2 things coming together
Fission Reaction 2 things coming apart
Transmutation One element changes into another by a nucleus reaction. It changes the nucleus of an atom and therefore cannot be achieved by ordinary chemical means
Mole The SI unit for measuring the amount of a substance who's number of particles in the same as the number of atoms in a 12-g sample of carbon -12
Molar Mass (g/mol) the mass in grams of 1mil of a substance
Avogadro Number The number of atoms or molecules in one more of a substance equal to 6.023X10 23
Created by: hackett12
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