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KiRa [710]
3 years ago
8

What's it called when an electron has absorbed alot of energy?​

Chemistry
1 answer:
emmainna [20.7K]3 years ago
8 0

Answer:

Excited state

Explanation:

Excited state is the name of the state when electrons absorb energy and move to a higher energy level.

Hope this helps!

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Physical properties can be observed
Alika [10]

Answer:

Physical properties include: appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, and many others. That is your answer! Thanks! :)

Explanation:

4 0
3 years ago
Read 2 more answers
Which of the following is not among the advantages of generating nuclear energy?
WARRIOR [948]

B

While nuclear energy does not pollute the environment, it poses the risk of radiation which is harmful to organisms because it causes lethal mutations.

Explanation:

Nuclear fission, for example, releases neutrons and other particles (at very high speeds) that can ionize materials including DNA. This will induce mutations of DNA most of which are usually lethal to organisms. Gamma and X- rays are also produced by fusion reactions and  if exposed to organisms also cause mutations on DNA through double stranded breaks. Therefore, the risk of an accident of a nuclear reactor can have immense ramifications on the ecosystems.

Learn More:

For merits and demerits of nuclear energy check out;

brainly.com/question/1161965

brainly.com/question/3760263

brainly.com/question/8608522

#LearnWithBrainly

7 0
3 years ago
Are hydroxides a type of oxide or are oxides and hydroxides two different things entirely?
Alexandra [31]

Answer:

Mark me as Brainilist please!!

Explanation:

Oxides and their hydroxide counterparts made possible the industrial innovations we live in. Indeed, steel is a member of this family. Earth's crust contains them in vast quantities, making them the second most common element.

On a molecular scale, you would find that each oxygen atom is coupled with metal or semimetal atoms that fill in the gaps between them in oxide minerals. Oxides are divided into two groups: simple oxides, with a single metal or semimetal added, and complex oxides, where several metals can be incorporated into the molecule's structure. Hydroxides, on the other hand, are composed of metal ions attached to a highly reactive hydroxide ion (OH). Minerals formed by hydroxide are softer and less dense than oxides and usually form at lower temperatures.

8 0
3 years ago
A laser pulse with wavelength 545 nm contains 4.85 mJ of energy. How many photons are in the laser pulse?
dusya [7]

<u>Given</u>:

Wavelength (λ) of the laser pulse = 545 nm = 5.45 * 10⁻⁹ m

Total energy of pulse = 4.85 mJ

<u>To determine:</u>

The number of photons in the laser of a given energy

<u>Explanation:</u>

Energy per photon (E) = hc/λ

where h = planck's constant = 6.626 *10⁻³⁴ Js

C = speed of light = 3*10⁸ m/s

λ = wavelength

E = 6.626 *10⁻³⁴ Js* 3*10⁸ms-1 /5.45 * 10⁻⁹ m = 3.65 * 10⁻¹⁹ J

Now,

# photons = total energy/Energy per photon

                 =  4.85 * 10⁻³ J* 1 photon / 3.65 * 10⁻¹⁹ J = 1.32 * 10¹⁶ photons

Ans: the laser pulse contains 1.32 * 10¹⁶ photons

3 0
3 years ago
Explain why you need both muscles and bones to move your body.​
Afina-wow [57]

Answer:

i dont need

Explanation:

do u know ......

5 0
2 years ago
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