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Tresset [83]
1 year ago
5

Anions are _____ than their neutral parent atom, and cations are _____ than their neutral parent atom.

Physics
1 answer:
maxonik [38]1 year ago
3 0

In comparison to their neutral parent atom, anions are bigger and cations are smaller.

<h3>Why are anions of the same element larger than their neutral counterparts?</h3>

They are forced to spread out more due to electron-electron attraction. They can get closer to each other because there is less electron-electron repulsion.

Because cations contain fewer electrons than their parent atoms while maintaining the same nuclear charge, they are always smaller than those atoms. The leftover electrons are therefore held by the protons in the nucleus more tightly, and as a result, their radii are less than those of the parent atoms. With anion, this is the exact opposite.

To know more about anions and cations visit:

brainly.com/question/4933048

#SPJ4

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Gases tend to deviate from the ideal gas law at
IgorLugansk [536]
<h2>Answer: high pressures</h2>

The Ideal Gas equation is:

P.V=n.R.T  

Where:

P is the pressure of the gas

n the number of moles of gas

R=0.0821\frac{L.atm}{mol.K} is the gas constant

T is the absolute temperature of the gas in Kelvin.  

According to this law, molecules in gaseous state do not exert any force among them (attraction or repulsion) and the volume of these molecules is small, therefore negligible in comparison with the volume of the container that contains them.

Now, real gases can behave approximately to an ideal gas, under the conditions described above.

However, when <u>temperature is low</u> these gases deviate from the  ideal gas behavior, because the molecules move slowly, allowing the repulsion or attraction forces to take effect.

The same happens at <u>high pressures</u>, because the volume of molecules is no longer negligible.

5 0
4 years ago
Suppose you are standing on the center of a merry-go-round that is at rest. You are holding a spinning bicycle wheel over your h
ioda

Answer:

B. It begins to rotate counterclockwise

Explanation:

It can happen that the merry-go-round remains at rest in the case when the person is standing on the axle  of the merry go round whose axis is fixed to some rigid support, but here the person is standing at the center of the merry-go-round not at the axle hence the according to the conservation of angular momentum. Angular momentum is given as:

L=I.\omega

for the conservation of momentum

I.\omega=I'.\omega'

where:

I= moment of inertia of the merry-go-round

\omega= angular velocity of the merry-go-round

I'= moment of inertia of the bicycle wheel

\omega'= angular velocity of the wheel

As the person tries to stop the wheel which is rotating then the person feels an opposing force which tries to moves the whole system in its direction.

6 0
3 years ago
Could you help me with a science question really quick?
Rama09 [41]
Yea I would love to help u
4 0
3 years ago
Over the time interval after a difference in potential is applied between the ends of a wire, what would happen to the drift vel
Dmitrij [34]

The the drift velocity of the electrons is determined by atom vibrations in the crystal lattice.

<h3>How to explain the information?</h3>

Assume we could increase the average time between collisions in a typical metal to get to a limit of zero resistance. The free electrons would therefore be continuously accelerated by a constant applied voltage, according to the classical paradigm of conduction. Both the current and the drift speed would gradually pick up over time.

Although it is not the scenario implied by the question, it is possible to switch to zero resistance by using a superconducting wire instead of the usual metal. In this scenario, the maximum current is constrained, the drift velocity of the electrons is determined by atom vibrations in the crystal lattice, and it is difficult to produce a potential difference across the superconductor.

Learn more about electrons in:

brainly.com/question/860094

#SPJ4

5 0
2 years ago
For how long should a force of 100N act on a body of mass 20kg at rest so that it acquires a velocity of 100m/s?​
julia-pushkina [17]

Answer:

20 seconds

Explanation:

7 0
3 years ago
Read 2 more answers
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