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Crank
4 years ago
14

Explain how the quantum mechanical model of the atom describes the electron structure of an atom

Chemistry
1 answer:
taurus [48]4 years ago
7 0
Electrons<span> are NOT in circular orbits around nucleus. -The</span>atomic<span> orbital </span>describes<span> the probable location of the electrion </span>Quantum Mechanical Model of the Atom<span> Page 3 There are different kinds of </span>atomic orbitals<span> that differ in the amount of energy and shapes (where the </span>electron<span> probably is).

</span>
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If ya could change somethin bout ya previous science classes what would it be?
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If I could change something in my previous science classes, it would have been the fact that I struggled in the question concerning exponents. It was simple one, but I don't know how I didn't understood that. For example, if there is a question with a calculation "xy²", then I would first multiply x and y, and then calculate the exponent. I did 3 of the questions wrong because of this, it was when I was in 7th grade. I wish I had not done this kind of silly mistake. I an in 10th grade and understand it well now, though.

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3 years ago
Which element has chemical properties that are most similar to the chemical properties of sodium?
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It's K since K and Na are in the same family
8 0
3 years ago
Hello! So I need help with these neutralization reactions and its fill in the blank. The question asks,
Likurg_2 [28]

The balanced equation for the neutralization reactions is as below.

<h3>Balancing chemical reaction equations</h3>

In order for chemical equations to be balanced, the number of atoms of each element before and after the reaction must be equal.

Thus:

  • HBr + KOH --- > KBr + H_2O
  • 3HF + Fe(OH)_3 --- > 3 H_2O + FeF_3
  • 2HCl + Ca(OH)_2 --- > CaCl_2 + 2H_2O

More on balancing chemical equations can be found here: brainly.com/question/15052184

#SPJ1

5 0
2 years ago
What all separation methods are used in food industry ?
Katena32 [7]

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5 0
4 years ago
What is the mass (in grams) of 6.78 moles of dinitrogen pentoxide
WINSTONCH [101]
<h2>Hello!</h2>

The answer is:

There are 732.24 grams of Dinitrogen Pentoxide  N_{2}O_{5} in 6.78 moles of the same compound.

<h2>Why?</h2>

The dinitrogen pentoxide, or nitrogen pentoxide, is a rare salt that consists of anion and cations, and it's an important compound when preparing some kinds of explosives.

So, to answer the question, first,  need to look for the molecular formula of the dinitrogen pentoxide, then, use it to calculate the mass in gram of 6.78 moles of the same compound.

The dinitrogen pentoxide formula is:

N_{2}O_{5}

Where, the molar mass of each element are:

N=\frac{14g}{mol}

O=\frac{16g}{mol}

Calculating the molar mass  of the compound, we have:

N_{2}O_{5}=2*(\frac{14g}{mol})+5*(\frac{16g}{mol})

N_{2}O_{5}=(\frac{28g}{mol})+(\frac{80g}{mol})=(\frac{108g}{mol}

Now, calculating what is the mass of 6.78 of N_{2}O_{5}, we have:

mass=moles*MolarMass=6.78mol(N_{2}O_{5})*\frac{108g}{mol}=732.24g(N_{2}O_{5})

So, there are 732.24 grams of Dinitrogen Pentoxide  N_{2}O_{5} in 6.78 moles of the same compound.

Have a nice day!

3 0
4 years ago
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