3 protons 4 neutrons and 4 electrons

Particle Electron Proton Neutron Symbol e p n Nature Negatively charged Positively charged Neutral Relative charge -1 +1 0 Absolute charge 1.6 x 10 -19 C 1.6 x 10 -19 C 0 Relative mass 1/1840 a,m.u 1 a.m.u ..

Electron Transport System - The metabolic pathway through which the electron passes from one carrier to another, is called the electron transport system. Electron Transport System (ETS) in Mitochondrion The electron transport system occurs in the in..

The last electron enters into 5f-orbital in these elements. The electronic configuration of actinides is given below. The general electronic configuration of these elements is 5f 1 - 1 4 6d 0 - 1 7s 2 . Element Symbol Atomic number Ele..

Substituting h = 6.62 x 10 - 3 4 Js, m = 9.1x 10 - 3 1 Kg and e=1.6x10 - 1 9 , we get For an electron accelerated through 100 volts, the wavelength is 1.225 x 10 - 1 0 m. Thermal neutrons also have wavelength of the same order say around 1.5 x 10 - ..

Metals are the elements which form positive ions by losing electrons, while non-metals always gain electrons. All metals (except hydrogen) form positive ions by loosing electrons. Metals have 1 to 3 electrons in the outermost shell of their at..

Metals are the elements which form positive ions by losing electrons, while non-metals always gain electrons. All metals (except hydrogen) form positive ions by loosing electrons. Metals have 1 to 3 electrons in the outermost shell of their atom and..

Element Symbol Atomic No. Electronic Configuration Abundance in Earth's crust (in ppm) Helium He 2 1s 2 5.2 x 10 - 4 Neon Ne 10 [He] 2s 2 2p 6 1.8 x 10 - 3 Argon Ar 18 [Ne] 3s 2 3p 6 9.3..

Valence electrons of an atom are responsible for chemical reactions as they take part in them. Elements having same number of valence electrons in their atoms possess similar chemical properties. All alkali metals have one valence electron in their atom. Thus, the..

The relative abundance of noble gases along with their electronic configurations is given in the table. Electronic configurations of noble gases Element Symbol Atomic No. Electronic Configuration Abundance In Earth’s Crust (in ppm) Heliu..

Element Symbol Atomic No. Electronic configuration Lithium Li 3 [He]2s 1 Sodium Na 11 [Ne]3s 1 Potassium K 19 [Ar]4s 1 Rubidium Rb 37 [Kr]5s 1 Cesium Cs 55 [Xe]6s 1 Francium Fr 87 [Rn]7s 1 ..