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siniylev [52]
3 years ago
5

The electron configuration of an element, X, is [He]3s23p1 . The formula of the most probable ionic compound that this element w

ill form with O is The electron configuration of an element, X, is [He]3s23p1 . The formula of the most probable ionic compound that this element will form with O is:_______.
a) X3O2
b) X2O
c) XO
d) X2O3
Chemistry
1 answer:
Yanka [14]3 years ago
3 0

Answer:

Option d) X2O3

Explanation:

The following data were obtained from the question:

The electronic configuration of the element X => [He]3s23p1

Now, let us write the electronic configuration of oxygen. This is given below:

O(8) => 1s2 2s2 2p4

Considering the electronic configuration of the element X, we can the element has 3 electrons in the outermost shell. Oxygen on the other hand has 2 electrons in the outermost shell. During bonding, there will be exchange of ion as shown below:

X³ + O²¯—> X2O3

So, the formula of the most probable ionic compound that this element will form with O is X2O3

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Answer:

The mass in grams of each element in the body of 62 Kg are

Oxygen               40300 g

Carbon                11160 g

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Calcium                992 g

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Firstly, we have a total mass of 62 Kg and the composition as a percentage of each component.

                            Percentage ( %)

Oxygen               65.0

Carbon               18.0

Hydrogen            10.0

Nitrogen              3.0

Calcium               1.6

Phosphorus         1.2

Other elements   1.2

Taking the definition of a percentage as part of hundred total, each percentage can be expressed as a decimal number. We should divide the percentage with 100 of total. For example: Oxygen 65%, it means 65/100 = 0.65. So, Oxygen is 0.65 in decimal numbers. We do the same for each component.

                           Percentage ( %)      Decimal number

Oxygen               65.0                         65/100 = 0.65

Carbon               18.0                           18/100 = 0.18

Hydrogen            10.0                         10/100 = 0.10

Nitrogen              3.0                           3/100 = 0.03

Calcium               1.6                           1.6/100 = 0.016

Phosphorus         1.2                           1.2/100 = 0.012

Other elements   1.2                           1.2/100 = 0.012

Finally. We can multiply decimal number of each component taking the total. 1 Kg is equivalent to 1000 g.

So, 62 Kg = 62 * 1000 g = 62000 g

After that we get the mass in grams of each element, by multiplying 62000 g and the decimal number of each component as follows:

                           Percentage ( %)      Decimal number      Mass in grams (g)        

Oxygen               65.0                         65/100 = 0.65         0.65*62000=40300

Carbon               18.0                           18/100 = 0.18         0.18*62000=  11160

Hydrogen            10.0                         10/100 = 0.10         0.10*62000=   6200

Nitrogen              3.0                           3/100 = 0.03          0.03*62000= 1860

Calcium               1.6                           1.6/100 = 0.016        0.016*62000= 992

Phosphorus         1.2                           1.2/100 = 0.012        0.012*62000=744

Other elements   1.2                           1.2/100 = 0.012        0.012*62000=744  

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