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A proton is a stable subatomic particle, symbol p, H +, or 1 H + with a positive electric charge of +1 e (elementary charge).Its mass is slightly less than the mass of a neutron and approximately 1836 times the mass of an electron (the proton-to-electron mass ratio).
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Yttrium isotopes with mass numbers at or above 90 decay mainly by electron emission (neutron → proton) to form zirconium (Z = 40) isotopes. [30] Isotopes with mass numbers at or above 97 are also known to have minor decay paths of β − delayed neutron emission .
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This is an accepted version of this page This is the latest accepted revision, reviewed on 5 March 2025. Theoretical chemical element with atomic number 119 (Uue) Ununennium, 119 Uue Theoretical element Ununennium Pronunciation / ˌ uː n. uː n ˈ ɛ n i ə m / ⓘ (OON -oon- EN -ee-əm) Alternative names element 119, eka-francium Ununennium in the periodic table Hydrogen Helium Lithium ...
) "splits" into a proton (p), an electron (e −) and an electron antineutrino (ν e) (see picture). This occurs when one of the down quarks in the neutron (u d d) decays into an up quark by emitting a virtual W − boson, transforming the neutron into a proton (u u d). The W − boson then decays into an electron and an electron antineutrino. [72]
Omeprazole is a proton-pump inhibitor (PPI) and its effectiveness is similar to that of other PPIs. [9] It can be taken by mouth or by injection into a vein . [ 1 ] [ 10 ] It is also available in the fixed-dose combination medication omeprazole/sodium bicarbonate as Zegerid [ 11 ] [ 12 ] and as Konvomep.
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