0
What else can I help you with?
Is half life the same for each isotope?
No, the half-life of each isotope can vary significantly. Different isotopes have different rates at which they decay into other elements. Some isotopes have half-lives of seconds, while others have half-lives of millions of years.
How can the radioactive nuclide plutonium 239 be prepared using nuclear equations?
Plutonium-239 can be prepared by bombarding uranium-238 with neutrons. The uranium-238 captures a neutron to form uranium-239, which then undergoes two beta decays to become plutonium-239. The overall reaction can be represented as ^1^0_n + ^2^3^8_U → ^2^3^9_Pu + 2^1_0_e.
What do you called in an element having the same atomic number but different atomic masses?
Isotopes. eg U235 and U238. Both Uranium, atomic number 92, bur different isotopes.
What is a balanced nuclear equation for the alpha decay of Rn-22?
I'm assuming we are talking about Rn222. Rn222 is part of the U238 chain (also known as the Radium series). Rn222 (half life 3.8 days) -> Po218 + alpha particle (5.59 MeV) Po218 (half life 3.1 minutes) -> Pb214 + alpha particle (6.115 MeV) Pb214 (half life 26.8 minutes) -> Bi214 + beta- particle (1.024 MeV) Bi214 (half life 19.9 minutes) -> Po214 + beta- particle (3.272 MeV) Po214 (half life .164 ms) -> Pb210 + alpha particle (7.883 MeV) Pb210 (half life 22.3 years) -> Bi210 + beta- particle (64 keV) Bi210 (half life 5.013 days) -> Po210 + beta- particle (1.426 MeV) Po210 (half life 138.4 days) -> Pb206 + alpha particle (5.407 MeV) Pb206 (lead) is stable so that is the end of the chain.
What is U235?
2 different isotopes of uranium. isotope= element with same number of electrons, same number of protons, different numbers of neutrons. U235 has 143 neutrons and 92 protons U238 has 146 neurtons and 92 protons
What does the breakdown of uranium release?
When uranium undergoes radioactive decay, it releases alpha, beta, and gamma radiation. This breakdown process results in the transformation of uranium isotopes into different elements, known as its decay chain. This chain typically includes elements such as radium, radon, and lead, each with its own unique radioactive properties and emissions.
What is one of the daughter elements of urainium-238?
U238 is a stable isotope of uranium - it doesn't undergo decay except at a very very slow rate unless hit with Neutrons - then it will decay to Neptunium
Is half life the same for each isotope?
No, the half-life of each isotope can vary significantly. Different isotopes have different rates at which they decay into other elements. Some isotopes have half-lives of seconds, while others have half-lives of millions of years.
What keeps the rocks inside the earth in molten state?
Radioactive decay in the inner core of k40 U238 and Th232 cause the earths internal heat plus lithostatic pressure (pressure of the overlying rocks).
Is Pb-206 radioactive?
Yep! It is the last product in the chain of decay of Radium and Uranium series. There are a lot of nasty products that they decay into before becoming lead-206 (which takes about 4.5 billion years) but once there, the final product: "lead-206" should not give you cancer as it is stable (non-radioactive). Don't eat it of course because it's still poisonous (chemically).
How many neutrons are in Element 92?
Element number 92 is Uranium and there are two main isotopes - U235 and U238. In U235 there are 92 protons so there are 235 - 92 = 143 neutrons. In U238 there are thus 146 neutrons
What is meant by reactor grade materials?
This means that the nuclear material is of a high enough concentration to fissile (allow for a fission chain reaction). This is because Uranium comes naturally as 99.3% U238, which cannot sustain fission, and .7% U235, which is what they want for the fuel. So they have to find away to pull away the U238 and leave the U235. As they concentrate the U235, it becomes concentrated enough so that it can sustain fission (too much U238 bogs down the reaction and will eventually end the fission). When it reaches this point of concentration, it is concidered reactor grade. Different elements have different needed concentrations to reach this level.
Is uranium nuclear fuel?
Yes, U233, U235, and U238 are all used as nuclear fuels.
What is the atomic number of radon -222?
Radon has atomic number 86. That means it has 86 protons. The specific isotope doesn't matter. (It does matter if you want to figure out the number of neutrons, though.)
Is Thorium-234 Proactinium-234 -1 a alpha decay equation?
It's beta decay. Actually, it's beta minus decay. A neutron in the nucleus of thorium-234 undergoes beta minus decay and changes into a proton with the subsequent release of an electron, an antineutrino and some energy. The transformation of a neutron in the thorium nucleus into that proton creates another element. You'll recall that the identity of an element is determined solely by the number of protons in its nucleus. And our thorium atom has now become a protractinium-234 atom. Links are provided below for more information.
How are isotopes of the same element named?
The same name with a different atomic mass number. As an example U235 and U238 are two isotopes of Uranium
Can you touch uranium with your bare hands and what are the effects?
Uranium is a very dense metal. The most common isotope, U238, has a very long half life. You can touch the ore, which is known as yellowcake. You could also hold the metal formed from that ore, pure uranium. Although it is radioactive, the half life is so long that only a few atoms of a large mass decay. The radiation emitted would be somewhat similar to normal background radiation. Depleted uranium (U238 which has had U235 and other isotopes removed) is used for some antitank shells because it is so heavy. It makes a great kinetic weapon.Uranium burns much like magnesium, so don't smoke around it!
