1 year ago

What's the electron configuration of an N⁻³ ion

1 answer:

5 0

The electronic configuration of n - 3 ion is [He] 2s2 2p3.

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Amanda [17]

Answer:

lithium because it has an atomic number of three(you could have just googled which element has the atomic number 3)

6 0

2 years ago

AnnZ [28]

NH4+

hope this helped

5 0

2 years ago

Flauer [41]

Answer:

1.1 × 10⁻⁴ M

Explanation:

Let's consider the following double displacement reaction.

CuCl₂(aq) + 2 AgNO₃(aq) → 2 AgCl(s)+ Cu(NO₃)₂(aq)

We can establish the following relations:

The moles of CuCl₂ that reacted to produce 7.7 mg of AgCl are:

$7.7 \times 10^{-3} gAgCl.\frac{1molAgCl}{143.32gAgCl} .\frac{1molCuCl_{2}}{2molAgCl} =2.7 \times 10^{-5}molCuCl_{2}$

The molarity of CuCl₂ is:

$M=\frac{2.7 \times 10^{-5}molCuCl_{2}}{0.250L} =1.1\times 10^{-4} M$

7 0

2 years ago

Irina18 [472]

Answer:

Explanation:

Third element to right

3 0

2 years ago

Nikitich [7]

I think the answer is mutualism.

because mutualism means that the two species benefit each other.

7 0

2 years ago