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Vinvika [58]
3 years ago
5

Hydrogen has three naturally occurring isotopes which figure into the average atomic mass found on the periodic table (1.00974):

hydrogen-1, hydrogen-2, and hydrogen-3. Which would you guess is most abundant? Explain your answer
Chemistry
1 answer:
Art [367]3 years ago
8 0
The number following the name of the element is the number of subatomic particles inside the nucleus of the atom. This means that it is the mass number of the isotope. The average atomic mass of the element is the sum of the products of the percentage abundance and mass number of the naturally occurring isotopes. 

Since, the average atomic mass of the hydrogen is nearest to 1 then, the most abundant isotope should be hydrogen-1. 
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3 years ago
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An ion has a mass number of 65, 36 neutrons, and a charge of +1 . Identify the element symbol, and determine the number of proto
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Answer:

Element symbol Cu

Number of protons 29

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Explanation:

To get the element symbol, we need the name of the element. To correctly identify the name of the element, we need the proton number.

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The element with 29 protons is copper Cu.

Now to get the number of electrons, for an electrically neutral atom , the number of electrons equals the number of protons. But here, the atom is not electrically neutral anymore as it has now formed a univalent positive ion of +1.

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8 0
3 years ago
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The electronegativity is 2.1 for h and 1.9 for pb. based on these electronegativities pbh4 would be expected to
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PbH4 will be formed as a result of a polar covalent bond between the H and the Pb.

Since H is more electronegative than the Pb, it is, thus, expected that the H would be able to pull the electron charge towards itself. This will result in the H being negative.

Based on this:
PbH4 would be expected to <span>have polar covalent bonds with a partial negative charges on the H atoms. </span>
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as any personal information of clients, customers, employees, guests, or anyone else exposed in the incident?
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Hope this helps :)

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The placement of carbonyl group of a kerose sugar is at second-carbon only (b) fir + carbon only () first and fast carbon (d) li
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Answer:

(d)

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