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postnew [5]
4 years ago
7

This periodic table entry is for the element neon. How many neutrons does a typical neon atom have?

Chemistry
2 answers:
Alinara [238K]4 years ago
8 0
A typical neon atom has 10 neutrons
natulia [17]4 years ago
7 0
10 would be the answer
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The molar concentrations for the reactants and products at equilibrium are found to be [HCl]=0.80 M, [O2]=0.20 M, [Cl2]=3.0 M, a
olga nikolaevna [1]

Answer:

\large \boxed{990}

Explanation:

                  4HCl +  O₂  ⇌  2Cl₂ + 2H₂O

E/mol·L⁻¹:   0.80    0.20      3.0       3.0

K_{\text{eq}} = \dfrac{\text{[Cl$_{2}$]$^{2}$[H$_{2}$O]$^{2}$}}{\text{[HCl]$^{4}$[O$_{2}$]}} = \dfrac{3.0^{2}\times3.0^{2}}{0.80^{4}\times 0.20} = \mathbf{990}\\\\\text{The $K_{\text{eq}}$ value is $\large \boxed{\mathbf{990}}$}

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3 years ago
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How many electrons are in the 4s sublevel for Bismuth
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I believe it’s 32, I might be wrong though
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3 years ago
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omeli [17]

The answer is: B-It showed that atoms can be divided into smaller parts.

It showed that all atoms contain electrons.

Tomson concluded that atoms are divisible and that the corpuscles are their building blocks (atoms are made up of smaller particles).

J. J. Thomson discovered the electron in 1897.

His "plum pudding" model (1904) suggested: the electrons are embedded in the positive charge.

With this model, he abandoned his earlier hypothesis (the atom was composed of immaterial vortices).  

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3 years ago
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f piece of copper has a density of 13.29 g/cm³ and a volume of 25 cm, what is the mass of the liquid?
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the answer is 332.25 grams
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What is one similarity among elements in a group?
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