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Uranium-235 and uranium-238 are isotopes of uranium.

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Q: Uranium 235 and uranium 238 have the same number of protons but different numbers of neutrons so these two elements are said to be radioactive what?
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Uranium 235 and uranium 238 have the same number of protons but different numbers of neutrons these two elements are said to be radioactive what?

Uranium-235 and uranium-238 are natural isotopes of the one and the same element: uranium. All the isotopes of uranium (natural or artificial) are radioactive.


What has uranium?

Similar to all other chemical elements the uranium atom has protons, neutrons and electrons; uranium is also unstable and radioactive.


What are all the elements of radioactive?

Uranium.


What has uranium in it?

Similar to all other chemical elements the uranium atom has protons, neutrons and electrons; uranium is also unstable and radioactive. Potters use uranium in their gaze to get a rich yellow colour.


Are uranium 235 and uranium 238 said to be radioactive isotopes since they have the same number of protons but different numbers of neutrons?

Yes, Uranium-235 and uranium-238 are natural, radioactive isotopes of the one and the same element: uranium. Both with 92 protons and 235-92 = 143 neutrons in U-235 but 146 neutrons in U-238


Is uranium and radium produced from radioactive elements?

Uranium and radium, and a number of others, are natural elements found in the ground, and they are radioactive.


What does berkelium and uranium have in common?

Uranium and berkelium are radioactive elements.


Are uranium 235 and uranium 238 said to be radioactive molecules since they have the same number of protons but different numbers of neutrons?

No, Uranium-235 and uranium-238 are radioactive, natural isotopes (not molecules, but atoms) of the one and the same element: uranium.Both with 92 protons and 235-92 = 143 neutrons in U-235 but 146 neutrons in U-238.


What causes Uranium to be radioactive?

Uranium is a heavy chemical element; this type of elements are unstable and generally radioactive.


How is uranium 235 and uranium 238 similar?

Uranium-235 and uranium-238 are natural, radioactive isotopes of uranium; they have 92 protons and electrons but the number of neutrons is different: - for 235U: 143 - for 238U: 146


All elements beyond uranium in the periodic table have no isotopes?

All the elements after uranium in the periodic table of the elements has radioactive elements.


What makes uranium radioactive?

The proportion between protons and neutrons in the nucleus. Too much neutrons.


What 2 radioactive elements were chosen for the atomic bomb?

Uranium and Plutonium


What are the ten elements in thre periodic table that are radioactive?

all elements after uranium (atomic number 92) are radioactive.


How many nuetrons does uranium have?

The number of the neutrons is different for each isotope of uranium; between 125 neutrons in uranium 217 and 150 neutrons in uranium 242.


How do you ignite uranium on powder toy?

use plutonium and neutrons under radioactive


Elements that are unstable and break down naturally such as uranium?

Radioactive


What is A radioactive elements in nuclear power stations?

Uranium-253


What makes trans-uranium elements radioactive?

Transuranium elements are radioactive and unstable; the stability of a nucleus is a problem of nucleon physics.


What are the names of the different protons and neutrons in uranium?

The individual protons and neutrons are basically indistinguishable; they don't have different names.


When elements such as uranium and plutonium decay do they form different elements chemical reactions or larger compounds?

When an element "decays", it forms a different element. This is the definition of "decay" when referring to radioactive elements.


How is the structure uranium 235 different from the structure of an atom of uranium 238?

Uranium 235 has 143 neutrons and uranium 238 has 146 neutrons.


How do elements that follow uranium produce?

All of the elements that follow uranium are radioactive and produce radioactivity. There are other elements on the periodic table, including uranium and some elements that come before uranium that produce radioactivity as well.


Does U-235 have fewer neutrons than common uranium?

Uranium-235 has 143 neutrons; uranium-238 has 146 neutrons. Each isotope has a different number of neutrons.


One of the most radioactive elements discovered by the curies was uranium?

No. The Curies did not discover uranium. They discovered polonium and radium, of which polonium is more radioactive.