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yuradex [85]
3 years ago
12

How do the valence electrons of an element determine how they will combine with other elements to produce a compound? Please hel

p this is urgent :)
Chemistry
1 answer:
Vlad1618 [11]3 years ago
8 0

Answer:

See explanation

Explanation:

The valence electrons are electrons found on the valence (outermost) shell of an atom.

When an atoms form compounds, there is an exchange of valence electrons between the atoms of one element and the atoms of another element.

Let us consider a typical example, sodium has one valence electron and chlorine has seven valence electrons. This means that chlorine needs one electron to complete its octet while sodium needs to release one electron in order to attain the octet structure.

So, sodium gives out its one electron and becomes a stable sodium ion and chlorine accepts that electron and becomes a stable chloride ion. This is how the compound sodium chloride is formed.

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Over an interval of 3.00 s the average rate of change of the concentration of C was measured to be 0.0840 M/s. What is the final
Harrizon [31]

Answer:

Final Concentration = 3.252M

Explanation:

Let's bring out the data mentioned in the question.

Time, t = 3s

Rate = 0.0840 M/s

Initial Concentration = 3M

Final Concentration = x

The formular relating these parameters is;

Rate = ΔConcentration / ΔTime

Upon solving for ΔConcentration, we have;

ΔConcentration = Rate * ΔTime

ΔConcentration = 0.0840 * 3

ΔConcentration = 0.252

But ΔConcentration = Final Concentration - Initial Concentration

Hence,

Final Concentration = ΔConcentration + Initial Concentration

Final Concentration = 0.252 + 3

Final Concentration = 3.252M

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3 years ago
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Stolb23 [73]

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Explanation:

7 0
2 years ago
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5mL of Ethanol has a mass of 3.9g and 5mL of benzene has a mass 4.4g. Which liquid has a higher density?
Salsk061 [2.6K]
For Ethanol:

D = m / V

D = 3.9 g / 5 mL

D = 0.78 g/mL

For benzene:

D = 4.4 g / 5 mL

D = 0.88 g/mL

benzene has a <span>higher density.
</span>
hope this helps!
6 0
3 years ago
* I’ll give you brainlist* The skeletal system has many functions. Which of the following body functions does the skeletal syste
velikii [3]

Answer:

A) remove germs from the blood

Explanation:

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3 0
3 years ago
How many moles of carbon are there in a 0.70 g (3.5 carat) diamond?
maksim [4K]

Answer:

3.5 x 10^22 moles of carbon are there in a 0.70 g (3.5 carat) diamond.

Explanation:

In case of diamond, the number of atoms is the same as the number of molecules.

7 0
3 years ago
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