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2 years ago

Which has higher frequency - neutron or electron? Why?

1 answer:

8 0

The electron has a higher frequency compared to the neutron. It can be explained by the way an electron orbits the nucleus of an atom.

According to Quantum Mechanics, electrons do not really orbit the nucleus of an atom. In fact, the most tightly bound state, the 1s orbital, has no angular momentum at all. This would be the state with the most "kinetic energy" and yet there is no "orbital" motion at all in this state.

<span>However, there are frequencies associated with each orbital.
</span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly.

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Mercury has a density of 13.6 grams/mL, what is this density in cg/L?

Firdavs [7]

It would be 4.6cgL not sure tho because I didint do that good in this

4 0

2 years ago

What is the half-life of 20 g of a radioactive sample if 5 g remain after 8 minutes?

Anni [7]

Hello!

The half-life is the time of half-disintegration, it is the time in which half of the atoms of an isotope disintegrate.

We have the following data:

mo (initial mass) = 20 g

m (final mass after time T) = 5 g

x (number of periods elapsed) = ?

P (Half-life) = ? (in minutes)

T (Elapsed time for sample reduction) = 8 minutes

Let's find the number of periods elapsed (x), let us see:

$m = \dfrac{m_o}{2^x}$

$5 = \dfrac{20}{2^x}$

$2^x = \dfrac{20}{5}$

$2^x = 4$

$2^x = 2^2$

$\boxed{x = 2}$

Now, let's find the half-life (P) of the radioactive sample, let's see:

$T = x*P$

$8 = 2*P$

$2\:P = 8$

$P = \dfrac{8}{2}$

$\boxed{\boxed{P = 4\:minutes}}\Longleftarrow(Half-Life)\end{array}}\qquad\checkmark$

I Hope this helps, greetings ... DexteR! =)

5 0

2 years ago

The cost of 1kg of potatoes is $8. What is the cost of 15 kg of potatoes? (hurry pls)

Ostrovityanka [42]

It’s 8•15 which is 120 kg of potatoes

6 0

2 years ago

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What effects do winds patterns have on climate

Nezavi [6.7K]

Prevailing winds bring air from one type of climate to another. For example, warm winds that travel over water tend to collect moisture as they travel; the water vapor in the air will condense as it moves into colder climates, which is why temperate coastal areas often receive heavy rainfall.

Hope it Helps! T^T

5 0

3 years ago

How many moles of H3PO4 would produce 12 moles of water in this reaction? ЗKOH + H3PO4 K3PO4 + 3H20

Olenka [21]

Answer:

4 moles of H₃PO₄

Explanation:

The reaction expression is given as;

3KOH + H₃PO₄ → K₃PO₄ + 3H₂O

Number of moles of water = 12moles

Unknown:

Number of moles of H₃PO₄ = ?

Solution:

From the balanced reaction expression we see that;

3 moles of water is produced from 1 mole of H₃PO₄

So; 12 moles of water would be produced from $\frac{12}{3}$ = 4 moles of H₃PO₄

4 0

2 years ago

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