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Arada [10]
3 years ago
11

Based on its location on the periodic table, how many electrons does oxygen have in its

Chemistry
1 answer:
Mkey [24]3 years ago
7 0

Answer:

O 6

Explanation:

Oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell.

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Magnesium and bromine react to produce magnesium bromide. What is the balanced chemical equation for this reaction?​
tia_tia [17]

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MgBr2

Explanation:

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Silvers symbol on the periodic table of the elements is Ag. what else is true of silver?
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If 1.0 mole of neon, 2.0 moles of helium, and 3.0 moles of argon are mixed, what is the mole fraction of helium?
alexandr1967 [171]

The mole fraction of helium is 0.33.

The mole fraction can be calculated with the aid of dividing the number of moles of 1 factor of an answer by means of the overall number of moles of all the additives of a solution. it's far noted that the sum of the mole fraction of all the components in the solution should be same to one.

Mole fraction is a unit of attention. within the answer, the relative amount of solute and solvents are measured by the mole fraction and it is represented. The mole fraction is the wide variety of moles of a specific thing within the solution divided by way of the entire wide variety of moles.

Mole fraction represents the quantity of molecules of a selected thing in a combination divided by using the total variety of moles within the given mixture. it is a manner of expressing the concentration of a solution. consequently, the sum of mole fraction of all of the additives is always equal to one.

Mole of neon = 1

mole of helium = 2

mole of argon = 3

Total mole = 1 + 2 + 3 = 6

Mole fraction = mole of helium / total mole

                      =  2 / 6 = 0.33

Learn more about mole fraction here:-brainly.com/question/1601411

#SPJ4

7 0
1 year ago
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