QUESTION 72 Select the best chemical term for the given definitions and descriptions. B. The formation...
QUESTION 72 Select the best chemical term for the given definitions and descriptions. B. The formation of an insoluble compound when the aqueous solution of two A. Empirical Formula water soluble compounds are mixed B. Precipitate A quantity of matter that corresponds with the presence of 6.022 x 1023 C. Exothermic particles, which in terms of mass will equal the atomic weight, formula weights or molecular weight of the substance in grams. D. Sublimation E. Mole When a system absorbs heat from the surroundings it is said to be Atoms of the same element that differ only in mass due to the presence of G. Endothermic differing numbers of neutrons H. Atoms Flisotopes V QUESTION 73 Select the best chemical term for the given definitions and descriptions An atom, or a group of atoms, that possesses an overal (+) or (1) electrical charge A small electrically neutral partide consisting of two or more atoms chemically combined Weak intermolecular force created by the formation of temporary dipoles. 4. Effervescence B. London Dispersion C. Neutron D. Molecule 5. Electronegativity Fon A numerical scale used for expressing the acidity or basiety of a solution G.PH H. Hydrogen Bonding