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andrew-mc [135]
3 years ago
9

Is an element with 6 elecrons, 6 protons and 6 neutroms an atom, ion or isotope​

Chemistry
2 answers:
Law Incorporation [45]3 years ago
8 0

Answer:

sorry can't help

Explanation:

xxTIMURxx [149]3 years ago
6 0

6 electrons, 6 protons and six neutrons are an atom

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Talc is often used in baby powder and corn starch, among other things. Talc cleaves into thin sheets, and it is held together only by van de Waals bonds, which allows these sheets to slip past each other. This gives the mineral its softness and it is often valued as a high-temperature lubricant.
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3 years ago
Explain why the quantum number set (3, 2, 3, -½) is not possible for an electron in an atom
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7 0
3 years ago
8. What is the oxidation number of N in KNO3?
Elza [17]

Answer:

The oxidation state of N in the KNO3 is +5

Explanation:

Oxidation rules:

1. Oxygen is -2, unless in peroxides.

2. Group 1 metals = +1

3. Group 2 metals = +2

4. If the molecule is neutral, all of the oxidation numbers have to add up to zero.

5. If the molecule is charged, all of the oxidation numbers have to add up to the charge of the molecule.  

So, the given formula represents the salt compound formula unit of potassium nitrate:  KNO3  

The formula unit is uncharged.

From our rules, we know that,

O = -2

And we can find K on the periodic table, in the first group, thus giving it a +1 charge. Now let's put it all together.

K = +1

N = x

O = -2

Let's take into account the number of atoms of each element we have and make an equation since we know everything has to add up to zero since the molecules are neutral.

+1 +x+3 (-2) = 0 (notice we multiplied 3 by -2 because in the formula we have 3 atoms of oxygen with -2 charge each)

x - 5 = 0

x = 5

Therefore, the oxidation number of N in KNO3 is +5.

5 0
3 years ago
How to balance this equation in chemistry
saveliy_v [14]

Answer:

4NH₃(g) +3O₂(g) ⇒2N₂(g) +6H₂O(g)

Explanation:

4 0
3 years ago
Consider the reaction between no and cl2 to form nocl: 2no(g)+cl2(g)⇌2nocl(g) a reaction mixture at a certain temperature initia
AlladinOne [14]

Answer:

Kc = 0.402.

Explanation:

  • We can calculate Kc from the relation: Kc = [NOCl]² / [NO]²[Cl₂].
  • [NOCl] = 0.30 M, [NO] = 0.65 M, and [Cl₂] = 0.53 M.
  • Now, we can get Kc:
  • Kc =  [NOCl]² / [NO]²[Cl₂] = (0.30 M)² / [(0.65 M)².(0.53 M)] = 0.402.
8 0
3 years ago
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