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irina1246 [14]
3 years ago
14

Which one of the following descriptions relating to nuclear reactions is correct?

Chemistry
1 answer:
monitta3 years ago
4 0

Answer: option D - The total number of nucleons changes.

Explanation:

Nuclear Reaction is best described as a process such as the fission of an atomic nucleus, or the fusion of one or more atomic nuclei and / or subatomic particles in which the NUMBER of PROTONS and / or NEUTRONS in a nucleus CHANGES; the reaction products may contain a different element or a different isotope of the same element.

Note that the NUCLEONS refers to ONE of the subatomic particles of the atomic nucleus, i.e. a PROTON or a NEUTRON.

So, in a Nuclear reaction, the total number of nucleons changes.

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If sodium arsenite is Na3AsO3, the formula for calcium arsenite would be
lara31 [8.8K]

Answer:

Ca₃(AsO₃)₂

Explanation:

Sodium arsenite, with the chemical formula Na₃AsO₃, is formed  by the cation Na⁺ and the anion AsO₃³⁻. For the molecule to be neutral, 3 cations Na⁺ and 1 anion AsO₃³⁻ are required.

Calcium arsenite would be formed by the cation Ca²⁺ and the anion AsO₃³⁻. For the molecule to be neutral, we require 3 cations Ca²⁺ and 2 anions AsO₃³⁻. The resulting chemical formula is Ca₃(AsO₃)₂.

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3 years ago
Please Help Me with this
Zina [86]

Answer:

compared to sodium, silicon has a higher ionization energy meaning it takes more energy to remove electrons.

Explanation:

hope this helps

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5 0
2 years ago
The Embargo Act of 1807 and the Neutrality Acts
insens350 [35]
The Embargo Act of 1807 and the Neutrality Acts of the 1930's were both attempts by the United States to avoid foreign conflicts. The correct option in regards to all the options given in the question is option "3". The Embargo Act of 1807 prohibited all kinds of exports from United states of America. This Act would treat any export as illegal. This Act was also intended to keep America from avoiding any conflicts with the warring nations. The Neutrality act was also intended towards remaining neutral towards all fighting nations.


6 0
3 years ago
What is an electrically charged atom?<br> A. ion<br> B. isotope<br> C. molecule<br> D. compound
Leokris [45]
Hey!


ANSWER:
An electrically charged atom is an ion.

Hope this helps!


— Lindsey Frazier ♥️
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