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9
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3answers
580 views

Turn lead into gold via radioactive decay

I was looking at the isotope's table and noticed that one of Lead's isotopes can actually turn into stable gold through this mechanism : ...
7
votes
1answer
69 views

Why can't light pass through a gold foil, but alpha particles can?

Rutherfords experiment showed that most of the alpha particles passed through a thin gold foil undeflected. So why can't light pass through the foil, which is supposedly thinner than the heavy alpha ...
0
votes
0answers
29 views

How many Onkalo-sized facilities would be needed to store waste from the nuclear exploitation of all the uranium of the Earth?

In the "Into Eternity" movie, it is said that the uranium is a limited resource, like petroleum. Then one day there will be no more uranium. It is said, too, that the Onkalo facility will only take ...
3
votes
4answers
434 views

Can a proton be ejected from an atom?

Consider a neutral atom that has $n$ protons and $n$ electrons. Is it possible to remove a proton from the atom via some technique such as bombardment with another particle or applying an appropriate ...
2
votes
1answer
731 views

Why isn't Neptunium used in nuclear reactors in nuclear power plants?

Why isn't Neptunium used in nuclear reactors in nuclear power plants? Uranium is, and Plutonium is. But Neptunium isn't and it is in the middle of them. Is it like it is too hard to make it do ...
3
votes
2answers
56 views

Can there be a reaction in which nuclear fission or fusion takes place along with atomic recombination?

I can't make out myself whether a nuclear reaction reaction can occur along with a chemical reaction involving bond formation? Can any one suggest an example of this, please?
0
votes
1answer
22 views

Find ratio of number of atoms of $A$ and $B$

However I am thinking of this question to be damn easy but still I'll not say as I am not getting it, There are two radio nuclei $A$ and $B$. $A$ is $\alpha$ emitter and $B$ is $\beta$ emitter ...
0
votes
1answer
13 views

Final amount of Hg present after $\beta$ decay

I have been trying to solve an exercise of Nuclear Chemistry, well I was not sure that whether I should I ask this on physics or chemistry but I think that if chemistry had an exercise based on this ...
1
vote
1answer
111 views

Is it possible to compress an atom to infinite density?

I know, by nature, normally atoms are stable. But I wonder, if it is possible to compress an atom, say the Hydrogen atom, to infinite density by applying external force? After all, electrons and ...
4
votes
2answers
113 views

What is a product of water ionization ?

I've read that radioactive compounds are dangerous because they emit electromagnetic waves (gamma-radiation, ...),.. that are dangerous for living organisms because they can ionize atoms in molecules. ...
2
votes
1answer
27 views

Are the electrons also distributed for the alpha decay?

Consider this reaction of alpha decay: $$ \ce{^{222}_{88}Ra -> ^{218}_{86}Rn + ^4_2 He} $$ My question is, whether or not the electrons also get distributed in the reaction like the nucleons?
8
votes
2answers
245 views

The last element's atomic number

I was just thinking what can be the last atomic number that can exist within the range of permissible radioactivity limit and considering all other factors in quantum physics and chemical factors.
1
vote
2answers
100 views

Where do the electrons that are released in the sun go?

I've heard that electrons are released from the clutches of nuclei in the plasma state that is present in the sun. My question is: Where do these electrons go? Do they go to the product nuclei of the ...
2
votes
2answers
49 views

Notation of Beta decay

Is it an ion or a neutral atom that is created through Beta decay? For example: $_6^{14}\mathrm C \to ~ _7^{14}\mathrm N + \mathrm e^- + \mathrm{v{_e}}^{-}$ Isn't $_7^{14}N$ an ion since neutron ...
0
votes
2answers
105 views

In nuclear chemistry, how does a neutron split to form a proton and an electron?

I'm studying radioisotopes at the moment and balancing nuclear reactions isn't making sense in that more matter is coming out of the equation in negative β decay equations : ...
0
votes
1answer
83 views

New technology that has replaced the old radioisotope

What technology has the radioisotope Cobalt 60 replaced in medicine? E.g.,PET preferred over CT scans
0
votes
2answers
49 views

A function for getting the nuclide's nuclear binding energy?

Is there a function $f(A)$ or $f(Z, A)$ that gets the energy of nuclear binding of one nuclide in atom? Or other way to get it? My chemistry book says only to get it from the chart which is very ...
2
votes
1answer
80 views

What does HTO decay into?

I'm aware that tritium undergoes beta decay forming Helium-3. But in the case of HTO, what does it decay into? I don't suppose it decays into HeHO.
2
votes
1answer
3k views

Nuclear fusion reactions violate law of conservation of mass, but it has not yet been taken into account. Why?

According to the law of conservation of mass, during any physical or chemical changes, the total mass of the products is equal to the total mass of the reactants. But in nuclear fusion reaction if ...
4
votes
1answer
103 views

What is advantage of creating elements that disappear in a flash?

More than dozen of heavy elements of periodic table do not occur naturally but are prepared artificially at nuclear reactors.. These elements are said to disappear in a flash.. So, why invest lot of ...
10
votes
2answers
234 views

Do the names of some elements have anything to do with Planets?

There are elements like Neptunium and Plutonium in the periodic table. Did their discovery have anything to do with Neptune and Pluto? Or are they randomly assigned with such names?
1
vote
3answers
450 views

Why can't we use fusion to make ourselves rich?

As we know on fusing two hydrogen atoms we can convert it to helium and by breaking them we get two $\ce{H}$ atoms. So why can't we convert mercury to gold by removing 1 proton per atom?
9
votes
4answers
291 views

Is there a simple field test for heavy water?

Thought experiment Given two glasses of water, how would one detect which glass contains heavy water, and which contains potable water without using complicated laboratory equipment? Something like ...
3
votes
2answers
109 views

Radiation time vs. half life period

Is radiation time the same thing as half life period? Also, if I'm talking about excited species in a gas, how would the gas interaction affect the radiation time, are there some ...
8
votes
1answer
293 views

How is the electron “trapped in the crystal” in irradiated NaCl?

Pennsylvania State University provides irradiated NaCl (180,000 rads of gamma radiation) to teachers for a very entertaining demonstration. The salt is orange after irradiation. When it is placed on a ...