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algol13
3 years ago
6

What does a nuclear change involve?

Chemistry
2 answers:
natta225 [31]3 years ago
6 0

The correct answer is A.) A change in the structure of the nucleus.

Explanation:

A nuclear change differs from a chemical or physical change because, during this, the structure of the nucleus changes, and this leads to a change in the element, which does not occur in chemical changes that only involve electrons or in physical changes that only affect the form of substances. Moreover, nuclear changes can occur through processes such as fission that implies the nucleus dividing or fusion, in which different nuclei combine. According to this, a nuclear change involves "a change in the structure of the nucleus".

Sonja [21]3 years ago
3 0
D. mixing different compounds together
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stira [4]

Answer:

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7 0
3 years ago
Read 2 more answers
Show dipole dipole force of water and ethyll alcohol.​
Alexeev081 [22]

Answer:

Water: H2O --> [H+] + [OH-]

Ethyl alcohol: C2H5OH --> [C2H5O-] + [H+]

Explanation:

Dipole-dipole force is observed when an ionic compound ionizes (forms ions), revealing its slightly positive ion and slightly negatively ion.

The chemical formula of Water is H2O.

H2O --> [H+] + [OH-]

The chemical formula of ethyl alcohol is C2H5OH.

C2H5OH --> [C2H5O-] + [H+]

Note the positive and negative parts of both water and ethyl alcohol as expressed in the equations above.

6 0
3 years ago
Explain, in your own words, why different elements produce different colors of light when heated.
fgiga [73]
Different elements produce different colors of light when heated because the electrons in these elements have different permissible energy levels. When an element is heated, the electrons inside it become excited and move to an higher energy level from the ground state. When the electrons drop from this higher energy level, they typically emit energy quantum, the color of the light that is observed at this stage depends on difference that exist in the two energy levels.<span />
7 0
3 years ago
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Which describes the role of energy in photosynthesis and cellular respiration?
bagirrra123 [75]

Answer:

A) Energy is needed to start photosynthesis and is a product of cellular respiration.

Explanation:

5 0
3 years ago
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Thank you for anyone that helps
Stolb23 [73]
C) 6.75 x 10^-7

Hope it helped ya 
7 0
3 years ago
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