Which of the following descriptions properly describes the electrons?

Which following? If you could please be more specific I would gladely love to answer your question. (:

J J. Thomson discovered electron by performing his cathode ray tube experiment also called as discharge tube experiment.

Properties :

1. Electrons are negatively charged particles.

2. The mass of an electron is =

3. The particles travel in a straight line.

4. They are attracted to the magnet.

5. Electrons exhibit dual nature that is it has both particle and wave nature.

6. The antiparticle of an electron is called as a Positron which has a positive charge.