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Dima020 [189]
3 years ago
6

What would barium do to obtain a noble gas structure?

Chemistry
2 answers:
ExtremeBDS [4]3 years ago
6 0
Ba 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s² → [Xe]6s²

Ba - 2e⁻ → Ba⁺²  [Xe]
Leno4ka [110]3 years ago
5 0

Answer:

Lose two electrons.

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Calculate the volume in liters of a ×7.7310−5/mmolL silver(II) oxide solution that contains 475.μmol of silver(II) oxide AgO . R
Serhud [2]

Answer: Thus volume in liters is 6.14\times 10^3L

Explanation:

Molarity is defined as the number of moles of solute dissolved per liter of the solution.

To calculate the number of moles for given molarity, we use the equation:

\text{Molarity of the solution}=\frac{\text{Moles of silver oxide}}{\text{Volume of solution in L}}     .....(1)

Molarity of silver oxide solution = 7.73\times 10^{-5}mmol/L=7.73\times 10^{-2}\mu mol/L      1mmol=1000\mu mol

Moles of silver oxide = 475\mu mol      

Volume of solution in L = ?

Putting values in equation 1, we get:

7.73\times 10^{-2}\mu mol\L=\frac{475\mu mol}{\text{Volume of solution in L}}\\\\\{\text{Volume of solution in L}}=\frac{475\mu mol}{7.73\times 10^{-2}\mu mol\L}=6.14\times 10^3L

Thus volume in liters is 6.14\times 10^{3}L

4 0
2 years ago
Explain in terms of both electrons and energy how the bright line spectrum of an element is produced
quester [9]
<span>The atoms don't absorb the energy; the electrons absorb the energy. Electrons around atoms, without energy, are in an unexcited state, called a ground state. Once energy is absorbed, however, the electrons become excited, meaning they have more energy and are going to release it. Once they are excited, they make a transition from a lower valence shell to a higher valence shell, which is the transition state. Then, the electrons fall back to their own valence shell, releasing the energy, and are put in the ground state again. The energy that is released as quanta, which is how a bright-line spectrum is produced.</span>
4 0
3 years ago
An ion has a charge of +1 and 15 protons how many electrons does it have?
VashaNatasha [74]
9 electrons :) I can't give a sbs explanation but here we go
5 0
3 years ago
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Assume that the reaction of aqueous hydrobromic acid solution and potassium hydroxide base undergoes a complete neutralization r
Tamiku [17]

Answer:

a.

HBr + KOH → KBr + H  _{2} O

b.

1000 \: ml \: contains \: 0.685 \: moles \\ 55.4 \: ml \: contains \: ( \frac{55.4 \times 0.685}{1000} ) \\  = 0.038 \:moles \\ 1 \: mole \: of \: hydrobromic \: acid  \: produces \: 1 \: mole \: of \: water \\ 0.038 \: moles \: produce \: (0.038 \times 1) \\  = 0.038 \: moles \\ 1 \: mole \: of \: water \: weighs \: 18 \: g \\ 0.038 \: moles \: weighs \: (0.038 \times 18) \: g \\  = 0.684 \: g

c.

0.042 M

d.

1.4

5 0
2 years ago
What’s the connection between population and limiting factors?
irakobra [83]

Answer:

Limiting factors are resources or other factors in the environment that can lower the population growth rate. Limiting factors include a low food supply and lack of space. Limiting factors can lower birth rates, increase death rates, or lead to emigration.

Explanation:

4 0
3 years ago
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