A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be :

A particle X has 17 protons, 18 neutrons an d 18 electrons. This particle is most likely to be :

Name the particle which has 18 electrons , 18 neutrons and 17 protons in it.

certain particle x has 17 protons 17 electrons and 18 neutrons (i) What is the mass number of X? (ii) What is atomic number of X? (iii) What is valency of X? (iv) identify the elemnet.

Particles emitted from some radioactive material are observed to be deflected in a magnetic field (i) the particles may be electrons (ii) the particles may be protons (iii) the particles may be neutrons (iv) the particles may be hydrogen atoms. State if

A proton, an electron, a neutron, an alpha -particle and an unknown particle enter a region of magnetic field with equal momental. Figure shows paths (market 1 to 5) followed by these particles. Identify which path corresponds to which particle

A proton, an electron, a neutron, an alpha -particle and an unknown particle enter a region of magnetic field with equal momental. Figure shows paths (market 1 to 5) followed by these particles. Identify which path corresponds to which particle

The increasing order of e/m values for electron, proton, neutron and alpha particle is