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sergejj [24]
4 years ago
15

Match the atomic particles with their electrical charges.

Chemistry
1 answer:
PilotLPTM [1.2K]4 years ago
7 0

Answer:

proton: positive

electron: negative

neutron: neutral

Looks like you already have it.

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What are the characteristics of binding energy
FrozenT [24]
Binding energy, amount of energy required to separate a particle from a system of particles or to disperse all the particles of the system.
5 0
2 years ago
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2) Which element is used as fuel in nuclear reactors? How many years before we run out of it?
Firlakuza [10]

Answer:Uranium

80 years

To make that nuclear reaction that makes that heat, those uranium pellets are the fuel. And just like any fuel, it gets used up eventually. Your 12-foot-long fuel rod full of those uranium pellet, lasts about six years in a reactor, until the fission process uses that uranium fuel up.

Transuranic wastes, sometimes called TRU, account for most of the radioactive hazard remaining in high-level waste after 1,000 years. Radioactive isotopes eventually decay, or disintegrate, to harmless materials. Some isotopes decay in hours or even minutes, but others decay very slowly.

Explanation:

Hope this helps

5 0
3 years ago
Que es la tabla periodica, que organiza y para que se utiliza
VladimirAG [237]

Answer:

La tabla periódica, también conocida como la tabla periódica de elementos, es una visualización tabular de los elementos químicos, que están organizados por número atómico, configuración electrónica y propiedades químicas recurrentes. La estructura de la tabla muestra tendencias periódicas.

Explanation:

google definition

3 0
4 years ago
If a temperature increase from 10.0 ∘C to 21.0 ∘C doubles the rate constant for a reaction, what is the value of the activation
Ann [662]
According to this formula:
㏑(K2/K1) = Ea/R(1/T1 - 1/T2)
when K is the rate constant
Ea is the activation energy
R is the universal gas constant
and T is the temperature K
when K is doubled so K2: K1 = 2:1 & R = 8.314 J.K^-1.mol^-1 
and T1 = 10 +273 = 283 k & T2 = 21 + 273 = 294 k
So by substitution:
㏑2 =( Ea / 8.314) (1/283 - 1/294 )
∴ Ea = 43588.9 J/mol = 43.6 KJ/mol

3 0
3 years ago
Explain why a solid expands when is is heated​
BARSIC [14]

Answer:

When a solid object is heated, it expands. This happens because the atoms in the object start vibrating or moving faster.

Explanation:

<u><em>If you need a longer explanation, let me know! If not, I hope I helped. </em></u>

5 0
3 years ago
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