Electrons, protons, and neutrons are three subatomic particles of an atom. if the atom undergoes a change and becomes a positive ion, which subatomic particle is lost in this process?
neutron
proton
electron

Phase changes are chemical changes. true or false

A- a of 8.00 cm a of 34.0 nc. a , -, a of 25.0 nc is on of a of 15.0 cm .be toto aof ? a) b) c) j d) e)

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.