Recent questions in Atomic Physics

+161 votes

0 answers

How can an electron be on an orbit?

asked Apr 10, 2022 in Atomic Physics by Honourmish

+4 votes

0 answers

How can you explain that when an atom gains a negative charge, it has gained one electron while losing one proton?

asked Apr 10, 2022 in Atomic Physics by AdamPalo

+24 votes

0 answers

How many protons, neutrons, and electrons are in each type of atom?

asked Mar 19, 2022 in Atomic Physics by Sagi (2.9k points)

+89 votes

0 answers

Why do electrons orbit around protons and not the other way around, since there are more protons than electrons (in every single atom)?

asked Mar 19, 2022 in Atomic Physics by RadiantCharm

+110 votes

0 answers

How did Rutherford's scattering experiment lead to the nuclear model of the atom?

asked Mar 19, 2022 in Atomic Physics by laurence browne

+10 votes

0 answers

How does proton and electron balances the atom?

asked Mar 18, 2022 in Atomic Physics by LuminousDreamer

+3 votes

0 answers

How is it that Coulomb's law can't explain the planetary model of an atom?

asked Mar 18, 2022 in Atomic Physics by James_UK

+269 votes

0 answers

Why was the nucleus of an atom not observed before Rutherford's experiment? And after his experiment, why is the nucleus still not observed?

asked Mar 18, 2022 in Atomic Physics by Vincent Moss

+5 votes

0 answers

Is the atom merely electromagnetic energy?

asked Mar 17, 2022 in Atomic Physics by DIY_Man

+305 votes

0 answers

Can we take a proton away from a hydrogen atom without taking away the electron as well?

asked Mar 17, 2022 in Atomic Physics by eastbeaver (3.4k points)

+10 votes

0 answers

Why does neutron activation result in long-term radioactivity? Wouldn't the atom immediately return to its ground state? I don't understand how it can stay radioactive for so long. Thanks

asked Mar 16, 2022 in Atomic Physics by screwfox

+25 votes

0 answers

What is the difference between an atom and a nucleus?

asked Mar 16, 2022 in Atomic Physics by darhug1968

+7 votes

0 answers

How did scientists determine the number of protons in an element? For example, how did they know, if true, there is one proton in hydrogen element?

asked Mar 16, 2022 in Atomic Physics by MysticAlchemy (2.0k points)

+270 votes

0 answers

Do the electron clouds around atoms repel each other if they come too close, or would they never, because atoms itself are neutral, for example in helium?

asked Mar 16, 2022 in Atomic Physics by LunarHarmony

+20 votes

0 answers

What is the binding energy of sodium?

asked Mar 16, 2022 in Atomic Physics by Sandra Osgerby

+24 votes

0 answers

Why is the first electron affinity always exothermic, even for metals?

asked Mar 15, 2022 in Atomic Physics by Dave Marques

+25 votes

0 answers

Can an electron spin/rotate on its axis when bound to some atomic orbital? If not, why is that? Can free electrons spin/rotate on its axis? I am asking this because some websites and forums say "electrons do not spin".

asked Mar 15, 2022 in Atomic Physics by M33

+726 votes

0 answers

Why an atom can not have two nucleus?

asked Mar 14, 2022 in Atomic Physics by CrystalPulse

+23 votes

0 answers

How does the Bohr model of atom's structure show that an electron doesn't move inside its own orbit after completing one revolution around the nucleus?

asked Mar 14, 2022 in Atomic Physics by AstralScribe

+12 votes

0 answers

What is the reason for the electron orbitals of a hydrogen atom to be spherically symmetric?

asked Mar 13, 2022 in Atomic Physics by DavidMey

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