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yarga [219]
3 years ago
9

How many Neutrons are in the Nucleus of an atom with an atomic number of 25? (Use Periodic Table for mass.)

Chemistry
2 answers:
stiv31 [10]3 years ago
8 0

Answer:

30

Explanation:

Mn=Manganese=atomic number 25

30 neutrons cause its an isotope

PIT_PIT [208]3 years ago
7 0

Answer:

13 neutrons

Explanation:

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Discuss the advantages and disadvantages of using hydropower for large-scale energy production.
mario62 [17]

The advantages of the hydropower are:

- It is renewable

- It is a clean source of energy

- Matches current demand

- It is stable and reliable

- Requires low operating cost

The disadvantages of the hydropower are:

- Causes environmental damage

- Cost of building is expensive

- May cause droughts

- May cause floods in lower areas

- Shortage of water supply

The hydroelectric power has its prons and cons. It is very expansive for building, and it causes environmental damage in the river systems, but it also causes hazards like droughts and floods at certain areas. On the other side, once established it is very cheap, and it gets the job done when it comes to electricity. It is also an energy that is not polluting, and it is sustainable, reliable, and renewable.

4 0
3 years ago
Which molecule contains ten hydrogen atoms
My name is Ann [436]

the answer is hydrocarbons contain 10 hydrogen atoms  :D

7 0
3 years ago
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How do you find half life like i know the formula with 1/2 but how do you know how many times you do it
maksim [4K]
Can you give the specific problem?
3 0
3 years ago
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During photosynthesis, plant cells use sunlight as an energy source; animal cells cannot do this. What substance do Animal cells
8090 [49]

Answer:

Chlorophyll

Explanation:

Photosynthesis is the process through which plant cells use carbon dioxide & water to create oxygen & energy rich organic compounds. They do so by converting sunlight ie light energy into chemical energy. This is possible due to presence of chlorophyll in them. Animals can't do so, as they dont have chlorophyll.

6 0
2 years ago
Which of the following correctly represents the transmutation in which a curium-242 nucleus is bombarded with an alpha particle
Alekssandra [29.7K]

<u>Answer:</u> The chemical equation is written below.

<u>Explanation:</u>

Transmutation is defined as the process in which one chemical isotope gets converted to another chemical isotope. The number of protons or neutrons in the isotope gets changed.

The chemical equation for the reaction of curium-242 nucleus with alpha particle (helium nucleus) follows:

_{96}^{242}\textrm{Cm}+_4^2\textrm{He}\rightarrow _{98}^{245}\textrm{Cf}+_0^1\textrm{n}

The product formed in the nuclear reaction are californium-245 nucleus and a neutron particle.

6 0
3 years ago
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