jonathansheehan26
05.10.2020 •
Chemistry
Which correctly list two characteristics of crystals faces that define crystal system
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Ответ:
4. Daughter nuclide
5. Fusion
6. Strong nuclear force
Explanation:
4. When an atom of an element decays to a new element, the new element is called the
In a radioactive decay in nuclear physics, the product of the decay which is usually smaller (loss in mass) than its source and may or may not be radioactive is the daughter nuclide. Its source is the parent nuclide
5. Nuclear fusion is the nuclear process that involves the combination of two or more (light) atoms to produce subatomic particles and one or more atomic nucleus accompanied by an emission or absorption of energy due to the difference between the weight of the reactants and the weight of the products
The given reaction, is presented as follows;
³₂He + ¹₁H → ⁴₂He + ⁰₁e
Therefore, given that two atoms, (³₂He and ¹₁H) combine to form one atom (⁴₂He) and a subatomic electron particle (⁰₁e), the reaction is a fusion reaction
6. What keeps a nucleus together
The nucleus is made of neutrons and protons. There is an attractive nuclear force between protons and neutrons and a repulsive electromagnetic force between two or more protons. However, due to the proximity of the of the neutrons and the protons, which are together known as the nucleons, the attractive nuclear force is stronger than the electromagnetic force pushing the protons away from each other and the nucleus is kept together
Therefore, the strong nuclear force keeps the nucleus together.