Particle Physics

All electrons in an atom have:

* a negative one charge * 1/2 spin * 0.511 MeV of mass

Atoms are composed of three subatomic particles: protons, neutrons, and electrons. Protons and neutrons are found in the nucleus of the atom, with protons carrying a positive charge and neutrons having no charge. Electrons orbit around the nucleus and carry a negative charge.

They are ALWAYS negatively charged. If positively charged it would be a positron and not an electron.

Up, Charm and Top Quarks have a charge of (2/3)e

Down, Strange and Bottom Quarks have a charge of (-1/3)e

Where e is the charge of the electron.

The electron dot diagram for xenon would show the symbol Xe surrounded by eight dots, representing the eight valence electrons xenon has in its outer shell. This configuration allows xenon to fulfill the octet rule and be stable.

The element, indium, is in group 13, period 5 of the periodic table. Thus its electron configuration is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2 4d10 5p1. This can also be written as [Kr] 4d10 5s2 5p1 since krypton's electron configuration is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2.

A proton has a mass of approximately 1.67 x 10^-27 kilograms and a charge of +1.6 x 10^-19 coulombs. It is a positively charged subatomic particle found in the nucleus of an atom.

157; you figure that out by taking the atomic mass (259) and subtract it by the # of protons (102) and the answer is the # of neutrons. ( the atomic #, # of protons, and # of electrons are always the same # 102 ).

But each isotope of nobelium has a different number of neutrons, depending on the atomic mass.

If the energy of a photon exceeds the threshold energy for pair production, the excess energy will be carried away by the produced particles as kinetic energy. This additional energy will contribute to the speed at which the particles are created and will increase their momentum.

The chemical element with 20 protons and 20 neutrons is Calcium(Ca). The number of protons is equal to the number of electrons, and the number of electrons is equal to the atomic number.

Different quarks last different amounts of time, but all of the six quarks can only last on their own for small fractions of a second.

Yes, all living organisms are composed of matter, which includes atoms and molecules that make up their cells and tissues. Living organisms require matter for growth, maintenance, and reproduction.

Neutrons are neutrally charged subatomic particles.

There were no technologies. The atom was discovered by the ancient Greek's. They figured that eventually if you kept on dividing something, it would get so small that you wouldn't be able to divide it anymore. There would be just one tiny particle left. They called this particle the atom. Of course over time the atom proved not to be the smallest particle with the discovery of the proton, electron and neutron.

conformation during the transport process. This conformation change allows the protein to alternately bind and release protons on opposite sides of the membrane, resulting in the movement of protons across the membrane against their concentration gradient.

Robert Millikan is credited with the discovery of the elementary electronic charge through his oil drop experiment.

The molecular geometry of the AsO2- ion is bent (because of the lone electron pair with the central arsenic atom, making the O-As-O bond angle very obtuse) but its electron domain geometry is trigonal planar because there are three domains, with a 120 deg. angle between them.

Protons have positive charge and electrons negative

The acid formed when a base gains a proton is called a conjugate acid of the base. This process is known as protonation, where the base accepts a proton to become an acid. The conjugate acid will have one more proton than the base.

Electrons are confined to specific energy levels or shells around the nucleus of an atom due to quantum mechanics. Each electron shell corresponds to a specific energy level, and electrons can move between these shells by absorbing or releasing energy. So, we can say they are "localized" in their respective shells rather than "trapped."

The force that can both repel and attract is the electromagnetic force. It is responsible for interactions between charged particles, leading to both attraction between opposite charges and repulsion between like charges.

When an atomic nucleus releases a positron, it has undergone beta plus decay. This nuclear transformation event also will release a neutrino. Use the link below for more information.

Negatively charged subatomic particles, such as electrons, will be attracted to a positively charged object. This attraction is due to the opposite charges present, as opposite charges attract each other according to the laws of electromagnetism.