All atoms of uranium have the same

2 answers:

8 0

Although Uranium (U) comes in many isotopes, Uranium has the same atomic number which is 92. The three naturally occurring isotopes of Uranium includes: U-233, U-236-, U-232. Other isotopes of Uranium are U-235 and U-238. All isotopes of Uranium comes in different atomic masses, yet, all atoms of Uranium will always be 92.

Schach [20]3 years ago

6 0

All the atoms of Uranium have the same atomic number. The atimic number is given by the sum of the number of neutrons(N) and the number of protons (P). There exists many isotopes of Uranium, but in all the atomic number remains the same. In some isotopes,the number of protons are different and in some the number of protons are different.

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Hemoglobin in your blood does not use elemental iron. It uses iron in the form of Fe2+(aq).

valina [46]

Explanation:

Balanced chemical reaction equation will be as follows.

$2Fe^{2+}(aq) + 2H^{+}(aq) \rightleftharpoons 2Fe^{3+}(aq) + H_{2}(g)$

In human body, the neutral iron changes into $Fe^{2+}$ (aq) cation. There will be an oxidation-half reaction and a reduction-half reaction. Equations for this reaction are as follows.

Oxidation: 2Fe^{2+}(aq) \rightleftharpoons 2Fe^{3+}(aq) + 2e^{-}[/tex] .... (1)

Reduction: $2H^{+}(aq) + 2e^{-} \rightleftharpoons H_{2}(g)$ ...... (2)

On adding both equation (1) and (2), the overall reaction equation will be as follows.

$2Fe^{2+}(aq) + 2H^{+}(aq) \rightleftharpoons 2Fe^{3+}(aq) + H_{2}(g)$

Therefore, neutral iron is a part of Heme - b group of Hemoglobin and in an aqueous solution it dissolutes as a part of Heme group. Hence, then it becomes an $Fe^{2+}$ cation.

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