ENTRE LOS PARÉNTESIS SEÑALA “V” SI LA PROPOSICIÓN ES CORRECTA O “F” SI NO LO ES: a)Según el M. A. de Rutherford el electrón gira alrededor del núcleo, en órbitas elípticas………( )
b)Según Thomson en un átomo el electrón gira alrededor del núcleo …………………………...( )
c)Mediante los rayos catódicos se descubrieron al protón………………………………………..( )
d) Todos los postulados de J. J. Dalton tienen vigencia hasta la actualidad……………………….( )

no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.

intermolecular forces are the forces between molecules or particles.

there are two kinds of van der waals forces: weak london dispersion forces and stronger dipole-dipole forces.

in molecule of water there are dipole-dipole forces between negatively charged oxygen from one molecule of water and positively charger hydrogen of another molecule of water.

hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (h), covalently bound to a highly electronegative atom such as flourine (f), oxygen (o) and nitrogen (n) atoms.