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MAXImum [283]
4 years ago
7

Compare and contrast and give the definitions of: Partial + charge Partial - charge

Chemistry
2 answers:
sineoko [7]4 years ago
5 0
When two elements of different electronegativity forms a compound, -ve charge is shifted to more electronegative element & +ve towards less electronegative.

So, the charge on less electronegative element in polar compound is known as "Partial +ve charge" and charge on more electronegative element in Polar compound is known as "Partial -ve charge"

Hope this helps!
Aloiza [94]4 years ago
3 0
Partial charges are formed in molecules when electronegativity difference between is small. 

Partial charges formed can be permanent as well temporary. Inductive effect creates permanent partial charge in the molecule, whereas electromeric effect creates temporary partial charge in the molecule.

Inductive effect: when a covalent bond is formed between the atoms of different electronegatives, the electron density is more towards the more electronegative(EN) atom of the bond which results in the formation of a polar covalent bond. This polarity developed in molecule creates dipole moment.


Electromeric effect: It is temporary delocalisation of 
π-electron in compound containing multiple covalent bond( double and triple bond).

Partial negative charge is formed when more EN element is attached to the molecule, whereas partial negative charge is formed when less EN element is attached to the molecule.

Definitions:

1.) Partial positive charge: The positive charge developed in a molecule which is non-integral is called partial positive charge. Denoted by +
δ.
2.) Partial negative charge: The negative charge developed in a molecule which is non-integral is called partial negative charge. Denoted by -δ.
Hope this helps!






 


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Draw a Lewis structure for SF4 that has minimized formal charges. Include all nonbonding electrons and any nonzero formal charge
gayaneshka [121]

Answer:

See explanation and image attached

Explanation:

The compound SF4 is sulphur tetraflouride. It has a zero formal charge and has a total of 34 valence electrons.

The central atom in the molecule is sulphur in an sp3d hybridization state hence the molecule has a trigonal bipyramidal electron geometry. Since it is a molecule of the sort AX4E; it gives a see-saw molecular shape.

The structure of the molecule is shown in the image attached to this answer.

8 0
3 years ago
The teacher prepares 2.50 liters (L) of a salt solution for a class experiment. How many quarts (qt) are in 2.50L? ( 1 quart = 0
jek_recluse [69]
Quarts are a measurement for liquids.
1 quart is equivalent to 0.943 litres
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Volume in quarts is 2.65 qt
7 0
4 years ago
Read 2 more answers
What happens to an atom when it gains an electron?
jasenka [17]
I'm pretty sure it becomes an ion! If an atom gains a negative electron, it becomes an ion. 
6 0
3 years ago
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Calculate the enthalpies of formation, ΔHf∘, of the group 1 fluoride compounds from their elements using the Born–Haber cycle.
maxonik [38]

Answer:

Enthalpy of formation of KF = -555 kJ/mol

Enthalpy of formation of CsF = -539kJ/mol

Explanation:

Explanations are provided in the attachment below

5 0
4 years ago
What is the formula for tin(ll) chromate
Nimfa-mama [501]

Answer:

SnCrO4

Explanation:

Tin has a charge of 2+

Chromate has a charge of 2-,

therefor, the formula is equal.

4 0
4 years ago
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