Iron (Fe): [Ar]4s23d6 core electrons valence electrons

Chemistry

2 answers:

kati45 [8]3 years ago

6 0

Answer: 18 core electrons

8 valence electrons

Explanation:

makkiz [27]3 years ago

6 0

Answer:

yup its 18 core electron and 8 valence electrons

Explanation:

i just took it on edge

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CO2 is an element. True False

Reil [10]

Answer:False

Explanation:co2 or carbon dioxide is a compound not an element, you can even check this on the periodic table

7 0

4 years ago

Read 2 more answers

1. Determine whether or not the equation below is balanced. If it isn’t balanced, write the balanced form. Also, identify the re

strojnjashka [21]

Answer:

- Not balanced.

- Reactants: Zn and HCI .

- Products: ZnCl₂ and H₂.

- Substitution reaction.

Explanation:

Hello,

In this case, for the given reaction:

Zn + HCI → ZnCl₂ + H₂

We can see that it is not balanced due to the fact that at the left side we have one hydrogen atom whereas at the right side two, taking into account the number must be same as well as chlorine. Thus, in order to balance we write:

Zn + 2HCI → ZnCl₂ + H₂

And that is enough. Moreover, we can see that the chemical species at the left side of the equation are the reactants and those at the right side the products, thus we have:

Reactants: Zn and HCI .

Products: ZnCl₂ and H₂.

Finally, since we can see that the chlorine is at the reactants with hydrogen, but at the end with the zinc, and the initial zinc is alone as well as the yielded hydrogen we can infer this is a substitution reaction.

Best regards.

5 0

4 years ago

Show the two (neutral) organic starting materials that would be used to synthesize the following ketone by a hydroxide mediated

pav-90 [236]

Show the two (neutral) organic starting materials that would be used to synthesize the following ketone by a hydroxide mediated crossed‑aldol reaction the product formed is alpha-beta unsaturated carbonyl compound.

<h3>What is the Aldol-condensation ?</h3>

The condensation response among distinctive molecules of an aldehyde or ketone in a protic solvent which includes water or alcohol constitutes the crossed aldol response. When condensation is among distinctive carbonyl compounds, it's far referred to as crossed aldol condensation.

Applying the retrosynthetic evaluation technique, the systems of the beginning substances are decided via way of means of the usage of the bottom catalyzed for the crossed aldol mechanism. The beginning substances are aldehyde and ketone compounds that react with every different to present the goal molecule.