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forsale [732]
2 years ago
10

Which of the following could be the subshell representation of an element of Group IV?

Chemistry
1 answer:
Afina-wow [57]2 years ago
7 0

The subshell representation of an element of Group IV is option C. s² p², since it contains 4 valence electrons.

<h3>What are Groups?</h3>

In the Periodic Table, the Groups are the columns. For the Main-group elements, the group number coincides with the number of electrons in the valence shell.

Which of the following could be the subshell representation of an element of Group IV?

A. s². No, since there are 2 valence electrons.

B. s² p³. No, since there are 5 valence electrons.

C. s² p². Yes, since there are 4 valence electrons.

D. s² p¹. No, since there are 3 valence electrons.

The subshell representation of an element of Group IV is option C. s² p², since it contains 4 valence electrons.

Learn more about Groups here: brainly.com/question/24144303

#SPJ1

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Cow’s milk is 4.5% by mass of lactose. Calculate the mass of lactose present in 175 g of<br> milk
Reptile [31]

Answer:

7.875 grams

Explanation:

You multiply 175 g by .045

This gives you 7.875 grams of lactose

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3 years ago
Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s−1 .
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4 0
3 years ago
There are on average 43 g of sugar and 355 mL can of soda please calculate the molarity of sugar in the can of soda the molar ma
vfiekz [6]

Explanation:

Given :

Amount of solute - sucrose (C12H22O11) = 41 g

Amount of solvent -soda  = 355-mL

Molarity of the solution with respect to sucrose= ?

Molarity(M) is a unit of concentration measuring the number of moles of a solute per liter of solution. The SI unit of molarity is mol/L.

Formula to find the molarity of solution :

               Molarity =  

Amount of solvent is given in mL, let’s convert to L :

               1 L = 1000 mL

Therefore, 355 mL in L will be :

                   

               = 0.355 L

We have the amount of solute in g, let’s calculate the number of moles first :

       Number of moles (n) =  

Molar mass of C12H22O11 = 342.29 g/mol.

Therefore, n =  

               = 0.119 moles.

8 0
3 years ago
Would nitrogen gas be a mineral if it has a chemical formula of n2?
STALIN [3.7K]

<u>Answer:</u>

Nitrogen gas be a mineral only, if it is in organic forms.

<u>Explanation:</u>

Most of the forms of organic nitrogen is not be taken by plants, with the exception in the form of small organic molecules. Also plants can promptly take the nitrogen  when it is in other forms like ammonia and nitrate.

The microorganisms  in the soil converts the organic forms of nitrogen to mineral form when they decompose organic matters and  also fresh plant residues. This type of process is called mineralisation.

6 0
3 years ago
A radioactive nuclide is used to detect eye tumors. An atom of this radionuclide contains 15 protons, 15 electrons, and
statuscvo [17]

Answer: ³²P

Explanation:

The radionuclide in question is known as Phosphorus-32. It is an isotope of Phosphorus that is radioactive and has one more neutron than the normal phosphorus does.

Phosphorus does not exist in nature and is created artificially by bombarding the normal stable phosphorus with neutrons. Due to its radioactive nature, it has proven to be useful in the medical industry where it has been used to detect eye tumors as well as in treating some diseases.

4 0
3 years ago
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