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2 years ago

How does the electron-cloud model describe electrons?

Chemistry

1 answer:

Vedmedyk [2.9K]2 years ago

6 0

An electron has a high probability of being in certain regions. Hence, option C is correct.

<h3>What is the meaning of electron cloud?</h3>

The system of electrons surrounding the nucleus of an atom.

The electron cloud model tells us that electrons are found in defined energy states outside of the nucleus of the atom. The lowest possible state for an electron is called its ground state.

The energy levels can only hold a certain number of electrons at any time and the organization of these electrons in the electron cloud is called the atom's electron configuration.

Energy levels describe distances from the nucleus in which electrons can be found. There is a maximum number of electrons that can be found at any particular energy level due to the limitations of its size.

Hence, an electron has a high probability of being in certain regions.

Learn more about the electron clouds here:

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What does the law of the conservation of momentum state?

UNO [17]

Answer:

The conservation of momentum states that, within some problem domain, the amount of momentum remains constant; momentum is neither created nor destroyed, but only changed through the action of forces as described by Newton's laws of motion. ... Momentum is conserved in all three physical directions at the same time.

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3 years ago

Its a quiz please actually help me 15 POINTS

Greeley [361]

Answer:

option 4

Explanation:

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3 years ago

Can yall plz help me!!!!!!!!!!!!

tankabanditka [31]

Answer:

Axis

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6 0

3 years ago

Even though so much energy is required to form a metal cation with a 2+ charge, the alkaline earth metals form halides with gene

nasty-shy [4]

The ∆Hrxn of the reaction is -394.5kJ/mol.

<h3>What is alkaline earth metal? </h3>

The alkaline earth metals are those elements which correspond to group 2 of the modern periodic table.

All elements of this group forms a cation of +2 charge.

The other elements of this group are:

Beryllium, Magnesium, Calcium, Strontium, Barium, and Radium.

<h3>What is Halogen? </h3>

The Halogen elements are present in group 17 of the modern periodic table.

All elements of this groups forms anions of -1 charge.

The elements of this group are:

Fluorine, Chlorine, bromine, iodine, and astatine.

∆Hrxn = ∆H(bond broken) - ∆H(bond formed)

We have following data of bond energy in kJ/mol:

Mg—Mg = 738

Cl—Cl = -349

Mg—Cl = 783.5

Since, one mole of Mg react with one mole of Cl atom to form one mole of MgCl

∆Hrxn = 738-349-783.5

∆Hrxn = -394.5kJ/mol.

Thus, we concluded that the ∆Hrxn of the reaction is -394.5kJ/mol.

learn more about bond energy:

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3 0

2 years ago

WILL GIVE BRAINLIEST

nlexa [21]

Explanation:

do u have a picture for ur question to clarify it?

7 0

3 years ago