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ozzi
2 years ago
7

M → Mt+e Has M lost or gained an electron?

Chemistry
1 answer:
ohaa [14]2 years ago
4 0

Answer:

M has lost an electron, one electron, and given it to Mt

Explanation:

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Write a transmutation nuclear equation that represents an example of fission
morpeh [17]

Answer:

²³⁸₉₂U →  ²³⁴₉₀Th  + ⁴₂He

Explanation:

Nuclei higher than Bi - 92 naturally are radioactive.

In a transmutation reaction, a new element is produced from an existing one due to radioactivity.

Nuclear fission is the radioactive process by which a heavy nucleus spontaneously decays into lighter ones with the release of a large amount of energy.

 One example is the transmutation of uranium into thorium;

         ²³⁸₉₂U →  ²³⁴₉₀Th  + ⁴₂He

 

4 0
3 years ago
What is the definition for molarity?
Akimi4 [234]
Molarity is a concentration unit, the number of moles of solute divided by the numbers of liters in a solution. Pertaining to chem
7 0
4 years ago
Read 2 more answers
Select the statement(s) that describe how climate change ca
Len [333]

Answer:

I think b

Explanation:

I think b becuase I'd it increases it would cause for stuff I dont know i am bot good but a guess is worth a try

7 0
2 years ago
Is matter continuous and therefore has no finer structure or is it discontinuous and thus made or tiny particles
Marta_Voda [28]

Matter is discontinuous, and it is made of tiny particles called atoms

Explanation:

Matter is not a continuous structure, but it consists of tiny particles called atoms.

An atom consists of three types of particles:

  • Proton: the proton is in the nucleus of the atom. it has a positive electric charge of +1.6\cdot 10^{-19}C (also called fundamental charge). Its mass is 1.67\cdot 10^{-27}kg.
  • Neutron: the neutron is also in the nucleus of the atom, but it has no electric charge. Its mass is similar to the mass of the proton (slightly heavier). Neutrons and protons are held together in the nucleus through the strong nuclear force.
  • Electron: electrons are found in a "cloud" outside the nucleus. Electron has negative electric charge equal to -1.6\cdot 10^{-19}C. Its mass is much approximately 1800 times smaller than that of the proton, so it is considered as negligible.

Learn more about atoms and matter:

brainly.com/question/2757829

#LearnwithBrainly

7 0
3 years ago
What quantity of heat is required to raise the temperature of 460g of aluminum from 15C to 85C?
Hoochie [10]

Answer:

Q = 28.9 kJ

Explanation:

Given that,

Mass of Aluminium, m = 460 g

Initial temperature, T_i=15^{\circ} C

Final temperature, T_f=85^{\circ}

We know that the specific heat of Aluminium is 0.9 J/g°C. The heat required to raise the temperature is given by :

Q=mc\Delta T\\\\Q=mc(T_f-T_i)\\\\Q=460\ g\times 0.9\ J/g^{\circ} C\times (85-15)^{\circ} C\\\\Q=28980\ J\\\\\text{or}\\\\Q=28.9\ kJ

So, 28.9 kJ of heat is required to raise the temperature.

6 0
4 years ago
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