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d1i1m1o1n [39]
3 years ago
15

Which statement describes the location of metalloids on the periodic table? The metalloids are located below metals and above no

nmetals within a group. The metalloids are located below nonmetals and above metals within a group. The metalloids are located to the right of nonmetals and to the right of metals within a period. The metalloids are located to the left of nonmetals and to the left of metals within a period.
Chemistry
2 answers:
ohaa [14]3 years ago
5 0

<u>Answer:</u> The correct statement is the metalloids are located below nonmetals and above metals within a group.

<u>Explanation:</u>

Metalloids are the chemical elements which shoe the property of both metals and non-metals. There are 7 metalloids in the periodic table: Boron (B), Silicon (Si), Germanium (Ge), Arsenic (as), Antimony (Sb), Tellurium (Te) and Polonium (Po).

These elements are located right to the metals and left to the non-metals in a period and they lie above the metals and below the non-metals in a group.

Hence, the correct statement is the metalloids are located below nonmetals and above metals within a group.

Talja [164]3 years ago
4 0
The metalloids are Boron, Silicon, Geranium, etc and are found to the right of the metals and the left of the nonmetals. Since that is not an option, the best choice would be: The metalloids are located below nonmetals and above metals within a group.
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2p is the correct representation for the sub-shell with n = 2 and l = 1.
boyakko [2]

Explanation:

Principle Quantum Numbers : It describes the size of the orbital and the energy level. It is represented by n. Where, n = 1,2,3,4....

Azimuthal Quantum Number : It describes the shape of the orbital. It is represented as 'l'. The value of l ranges from 0 to (n-1). For l = 0,1,2,3... the orbitals are s, p, d, f...

s = 1 orbital

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For n = 4

l = 0 to (n-1) = 0 to 3 = (4s , 4p , 4d , 4f)

Number of subshells = 4

Number of orbitals =         1 + 3 + 5 + 7  = 16

The maximum number of electrons the n = 4 shell can contain:

Each orbital can holds upto two electrons, then 16 orbitals will have :

16\times 2=32

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6 0
3 years ago
Read 2 more answers
A chemist needs to make 250 mL of a 2.50 M aqueous solution of ammonium hydroxide from a 6.00 M ammonium hydroxide solution. How
Furkat [3]

Answer:

250 mL (total solution)  = 104 mL (stock solution)  + 146 mL (water)

Explanation:

Data Given

M1 = 6.00 M

M2 = 2.5 M

V1 = 250 mL

V2 = ?

Solution:

As the chemist needs to prepare 250 mL of solution from 6.00 M ammonium hydroxide solution to prepare a 2.50 M aqueous solution of ammonium hydroxide.

Now

first he have to determine the amount of ammonium hydroxide solution that will be taken from6.00 M ammonium hydroxide solution

For this Purpose we use the following formula

                    M1V1=M2V2

Put values from given data in the formula

                   6 x V1 = 2.5 x 250

Rearrange the equation

                   V1 = 2.5 x 250 /6

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So 104 mL is the volume of the solution which we have to take from the 6.00 M ammonium hydroxide solution to prepare 2.5 M  aqueous solution of ammonium hydroxide

But we have to prepare 250 mL of the solution.

so the chemist will take 104 mL from 6.00 M ammonium hydroxide solution and have to add 146 mL water to make 250 mL of new solution.

in this question you have to tell about the amount of water that is 146 mL

250 mL (total solution)  = 104 mL (stock solution)  + 146 mL (water)

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Answer:

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