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Alexus [3.1K]
2 years ago
10

Some patterns of electron configuration are listed below. In each case, [G] stands for a noble-gas core and n, m, or o stand for

integer numbers like 1, 2, 3 and so on. Think about the chemical elements made of atoms with an electron configuration that matches each pattern. In what block or blocks of the Periodic Table would these elements lie? Would they be metals, nonmetals, metalloids, some of each? Use your answers to these questions to complete the table.a. [G]ns^2np^5b. [G]ns^2np^2c. [G]ns^2mf^14
Chemistry
1 answer:
Nonamiya [84]2 years ago
4 0

Answer:

G]ns^2np^5 group 17 (p-block)

G]ns^2np^2 group 14 (p-block)

G]ns^2mf^14 group 16 (f-block)

Explanation:

The outermost electronic configuration of an element shows the group to which it belongs in the periodic table as shown above in the answer. In addition, to that, we can be able to know from its electronic configuration, whether the element is a metal or not.

For instance;

G]ns^2mf^14 is a rare earth metal, G]ns^2np^2 group 14 is a metalloid while G]ns^2np^5 group 17 is a nonmetal.

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How many grams of Sulfuric Acid are needed to produce 57.18 g of Lead (IV) Sulfate when being neutralized by a sufficient amount
KiRa [710]

Answer:

40.72g of sulfuric acid are needed

Explanation:

When sulfuric acid, H₂SO₄, is neutralized by lead (IV) hydroxide, Pb(OH)₄, Lead (IV) sulfate, Pb(SO₄)₂ and water as follows:

2 H₂SO₄ + Pb(OH)₄ → Pb(SO₄)₂ + 4H₂O

To solve this question we must find the moles of 57.18g of Pb(SO₄)₂. As 2 moles of H₂SO₄ produce 1mol Pb(SO₄)₂ we can find the moles of H₂SO₄ and its mass as follows:

<em>Moles Pb(SO₄)₂ -Molar mass: 275.23 g/mol-</em>

57.18g * (1mol / 275.23g) = 0.2078 moles Pb(SO₄)₂

<em>Moles H₂SO₄:</em>

0.2078 moles Pb(SO₄)₂ * (2mol H₂SO₄ / 1mol Pb(SO₄)₂) = 0.4155 moles H₂SO₄

<em>Mass H₂SO₄ -Molar mass: 98g/mol-</em>

0.4155 moles H₂SO₄ * (98g / mol) =

<h3>40.72g of sulfuric acid are needed</h3>
7 0
3 years ago
No link just right answer
aleksley [76]

Answer:

I think it is C since the trees hold the habitats of the animals and provide cover so with less animals there is less diversity.

5 0
3 years ago
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mrs_skeptik [129]

Answer:

5.5 mol H2O

Explanation:

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If NaOH is used as a base, following reaction is initiated.

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