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In-s [12.5K]
3 years ago
9

Saftey goggles are worn in the lab- ​

Chemistry
1 answer:
Harrizon [31]3 years ago
4 0

Answer:

Yes

Explanation:

Is this a question or what?

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What can scientists measure to provide evidence that electrons can move from one energy level to another
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Answer:

recording the wavelength of light

Explanation:

When an appropriate measure of energy say in the form of light of a certain wavelength, is supplied, electrons have a tendency to absorb the energy and get excited to a higher energy level. Conversely, if an electron is already at a higher energy state it will emit energy in the form of light (or heat) and return to a more stable lower energy state.

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A laser light was shone through a diffraction grating whose lines were 1/1000 mm apart. The distance was measured between the ce
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Dirty water is a _____.<br><br> mixture<br> or<br> compound ?
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2 years ago
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In the Bohr model of the hydrogen atom, an electron moves in a circular path around a proton. The speed of the electron is appro
Zolol [24]

This is an incomplete question, here is a complete question.

In the Bohr model of the hydrogen atom, an electron moves in a circular path around a proton. The speed of the electron is approximately 2.15\times 10^6m/s?

Find the force acting on the electron as it revolves in a circular orbit of radius 5.34\times 10^{-11}m.

Answer : The force acting on electron is, 7.9\times 10^{-8}N

Explanation :

Formula used :

F=\frac{mv^2}{r}

where,

F = force acting on electrons

m = mass of electrons = 9.1\times 10^{-31}kg

v = speed of electron = 2.15\times 10^6m/s

r = radius of circular orbit = 5.34\times 10^{-11}m

Now put all the given values in the above formula, we get:

F=\frac{(9.1\times 10^{-31}kg)\times (2.15\times 10^6m/s)^2}{5.34\times 10^{-11}m}

F=7.9\times 10^{-8}N

Thus, the force acting on electron is, 7.9\times 10^{-8}N

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3 years ago
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