Atomic number and mass number of ordinary atoms, using helium as an example. The atomic number (Z) is also the number of protons (np). The Mass number (A) is the total number of neutrons and protons. premium vector by Furian

> DOWNLOAD THIS IMAGE <

Please buy a commercial licence for commercial use without attribution.
vector number element illustration isolated model symbol structure chemical science composition chemistry nuclear shell research mass atom atomic electron neutron nucleus physics proton charge ordinary example helium configuration isotope orbital he NP white background chemical element nucleon atomic number noble gas atomic nucleus mass number proton number bohr model helium 4 ordinary atoms nuclear charge number atomic mass number nucleon number

Categories:Array ( ) 1