Hydrogen bonds are a strong attractive force, since they are less stronger than ionic bonds.
To completely describe an electron in an atom, four quantum numbers are needed: energy (n), angular momentum (ℓ), magnetic moment (mℓ), and spin (ms). The first quantum number describes the electron shell, or energy level, of an atom.
Answer:
D. all of these are chemical changes
Answer:
Gases have mass, because they are made up molecules which have mass
D.) "Vaporization" <span>is not a form of heat transfer.
It is just conversion of the state of matter from Liquid to Vapor
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