Madhurima Boral Posts - TopicsExpress

Our next will be: Isotopes of helium Although there
Our next topic will be: Isotopes of helium Although there are nine known isotopes of helium (He) (standard atomic mass: 4.002602(2) u), only helium-...

Positronium Positronium (Ps) is a system consisting of an
Positronium Positronium (Ps) is a system consisting of an electron and its anti-particle, a positron, bound together into an exotic atom, specificall...

Hydrogen-5 5H is a highly unstable isotope of hydrogen. The
Hydrogen-5 5H is a highly unstable isotope of hydrogen. The nucleus consists of a proton and four neutrons. It has been synthesised in the laboratory...

Did you know ? Francium has a slightly higher ionization energy
Did you know ? Francium has a slightly higher ionization energy than caesium, 392.811(4) kJ/mol as opposed to 375.7041(2) kJ/mol for caesium, as woul...