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harina [27]
3 years ago
11

A(n) _____ is equivalent to an electron. gamma ray omega particle alpha particle beta particle

Chemistry
1 answer:
ladessa [460]3 years ago
3 0

Answer:

beta particle

Explanation:

Explanation:

Alpha beta and gamma radiations are the examples of ionizing radiations. When an atom is an excited state and having high energy, the atom is in unstable state. The excess of energy is released by the atom to get the stability. The released energy is in the form of radiations which may include alpha, beta, gamma, X-ray etc.

¹⁴₆C → ¹⁴₇N + ⁰₋₁e

The beta radiations are emitted in this reaction. The one electron is ejected and neutron is converted into proton.

Beta radiations:

Beta radiations are result from the beta decay in which electron is ejected. The neutron inside of the nucleus converted into the proton an thus emit the electron which is called β particle.

The mass of beta particle is smaller than the alpha particles.

They can travel in air in few meter distance.

These radiations can penetrate into the human skin.

The sheet of aluminium is used to block the beta radiations

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Answer:

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Explanation:

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C. identify a set of four possible quantum numbers for the circled electron in manganese (mn). (there is more than one correct a
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Although you have not provided the circled electron, I can help you with a wide explanation.

1) Atomic number of manganese is 25. That means that it has 25 protons and 25 electrons.

2) Those 25 electrons are distributed (electron configuration) as per the quantum rules:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁵

3) The most reasonable is that you have been asked to give the possible quantum numbers for an electron in the 4s or 3d.

4) Those are 7 electrons and these are their possible sets of quantum numbers:
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l tells the kind of orbital, which is s, so l = 0
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ms: one is +/12 and the other is -1/2 (this is the spin number).


ii) For the 5 electrons in 3d

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l can be 0, 1, or 2
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ms can be either +1/2 or - 1/2 (spin)
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