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bezimeni [28]
3 years ago
9

Which atomic model proposed that electrons move in specific orbits the nucleus of an atom?​

Chemistry
1 answer:
MrRa [10]3 years ago
3 0

Bohr's atomic model proposed that electrons move in specific orbits around the nucleus of an atom.

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Novosadov [1.4K]
I think it’s Igneous rock
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3 years ago
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A.Which facilities contribute the most to recycling and the least to recycling based on the pie chart graphic?
nirvana33 [79]

Answer:

a) To determine the facilities that contribute the most to recycling check the pie chart and select the facility with the largest portion while to determine the facilities that contribute the least to recycling check the pie chart and select the facility with the smallest portion

b) Energy is saved because the products which are recycled usually require less energy to turn them into usable materials

c) It saves energy through recycling. It helps sustains the environment. It decrease the emission of green house gases

Explanation:

The question is not complete

a) Pie chart is the graphical representation of information in which the information is represented in a circle. The circle is divided into segments and the portion with the largest segment has the highest percentage.

To determine the facilities that contribute the most to recycling check the pie chart and select the facility with the largest portion while to determine the facilities that contribute the least to recycling check the pie chart and select the facility with the smallest portion

b) Extraction and processing of raw resources to make end products requires a lot of energy.  With recycling energy is saved because the products which are recycled usually require less energy to turn them into usable materials

c) It saves energy through recycling. It helps sustains the environment. It decrease the emission of green house gases.

6 0
3 years ago
An electron in the n=6 level of the hydrogen atom relaxes to a lower energy level, emitting light of ?=93.8nm. find the principa
Rama09 [41]

We can find the principal level or lower level using Rydberg's formula:

1/w = R(1/L² - 1/U²) 

<span>where:</span>

<span>w is the wavelength (93.8 nm),</span>

L is the lower energy level (unknown)

U the upper energy level (n= 6)

R is Rydberg's constant (10,967,758 waves per meter)

Substituing known values into the equation:<span>
1/(9.38 * 10^-8 m.) = 10,967,758(1/L² - 1-36) </span>

Using the solver function of the calculator to get for L:

L = 0.999 <span>
so L = 1. 
<span>The lower level is 1 (the ground state).</span></span>

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Protons are heavy particles. Electrons are far from a nucleus. So your choice is <span>4. protons; electrons.</span>
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3 years ago
Carbon-12 and Carbon-14 are considered __________ of each other.
BabaBlast [244]

neutrons to the carbon-12 and carbon-14

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3 years ago
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