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olga55 [171]
3 years ago
9

What happens to an artificial satellite orbiting the earth when its velocity increases

Chemistry
1 answer:
lisov135 [29]3 years ago
4 0

Answer:

Then the radius of its orbit decreases

Explanation:

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sp2606 [1]
The answer is Cheese
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3 years ago
The bond between metal ions and the sea of electrons
Vilka [71]

Answer: Metallic Bonding. ... In metallic bonds, the valence electrons from the s and p orbitals of the interacting metal atoms delocalize. That is to say, instead of orbiting their respective metal atoms, they form a “sea” of electrons that surrounds the positively charged atomic nuclei of the interacting metal ions.

6 0
3 years ago
How many moles are in 1.9 x 1046 atoms of chromium?
faust18 [17]

Answer:

<h2>3.156 × 10²² atoms</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{1.9 \times  {10}^{46} }{6.02 \times  {10}^{23} }  \\  = 3.156 \times  {10}^{22}

We have the final answer as

<h3>3.156 × 10²² atoms</h3>

Hope this helps you

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It all adds up worksheet
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Atomic number and the number of protons are the same...
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Electrons are same # unless there is a charge 
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1) carbon - 14  ;  Mass number = 14 , Protons = 6 , Neutrons = 14 - 6 = 8 
                                Electrons = 6 

2) Lead - 208  ; Mass # = 208 , Protons = 82 , Neutrons = 208 - 82 = 126
                          Electrons = 82

3) Uranium - 239 ; Mass # = 239  , Protons  =  92,Neutrons = 239 - 92 = 147
                                 Electrons =  92

4) Uranium - 238  ; Mass # = 238 , Protons = 92 , Neutrons = 238 - 92 = 146
                                   
Electrons = 92 

5) Tin - 118  ; Mass # = 118 , Protons = 50 , Neutrons = 118 - 50 = 68
                         Electrons = 50
8 0
3 years ago
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