CHEMISTRY HIGH SCHOOL

How is the electron sea model of metallic bonding different from the band theory? How are they the same? Give at least one similarity and one difference between the models

Answers

Answer 1
Answer: The electron sea model states that the metal atoms are packed, relatively densely, into their crystal structure so that the outer electrons of each metal atom can be shared by all other atoms near enough to share. 

With this "sea of electrons" electrical current, which is a flow of electrons, is best explained because the electrons in a metal are already "flowing" around every metal atom in the crystal and can then freely flow through the metal. it's the same thing with heat. because the electrons are 'free' in metallic compounds and shared by all metal atoms, heat is transferred just as well. Malleability and ductility are explained by this because even though metals are relatively dense, they aren't so dense that they cannot be made to be closer together. because the outer electrons are not rigidly held in place by nuclear charge or strict crystal structure, metals are easily, some more than others, pounded into shape or drawn into wire.
Answer 2
Answer:

Electron sea model: Electrons all have approximately the same energy.

Band theory: Electrons move among orbitals of different energies.

Both models: Electrons move freely among atoms (delocalized).

is the answer on edgeunuity

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Fossil fuels are made by the decay of living things. Because living things are always dying and decaying, why are fossil fuels not a renewable source of energy?A.They can only be formed by decay of reptiles.

B.They can only be formed by decay of swamp plants.

C.They take millions of years to form.

D.They can only be formed deep under the sea.

Answers

The answer is: C. They take millions of years to form.

Fossil fuel is a fuel formed by anaerobic decomposition of buried dead organisms.

If there was oxygen the organic matter would not decomposed and formed oil and gas, because there would be reaction of oxidation.

The age of the organisms and their resulting fossil fuels is typically millions of years

Fossil fuel is mixture (solution) consist of several different hydrocarbons (alkanes, alkenes...), aromatic compounds.
c. they take millions of years to form

The electrons used in bonding are known as a. bonding electrons
b. proton
c. neutron
d.moron

Answers

Answer:

bonding electron

Explanation:

because they will bond together.

Powdered sulfur and iron filings are mixed together. What physical property could you use to separate them?

Answers

I could use a magnet. The magnet will pull the iron filings and the mixture would be easily separated.
Use a magnet.  The magnet will pull the iron out from the sulfur.  Then the mixture will be separated!

Which of the following currents is associated with downslope movements of dense sediment-rich water? (1 point) avalanche current density current turbidity current longshore current

Answers

The current that is associated with downslope movements of dense sediment-rich water is called turbidity current. 

Answer : Option C) Turbidity Current

Explanation :

The current that is associated downslope movements of dense sediment-rich water is turbidity current.

A turbidity current is most typically termed when an underwater current of usually rapidly moving, which has high sediment-laden water which is movies down a slope.

Turbidity currents is mostly caused by earthquakes, or collapsing slopes, or any other geological disturbances.

What gas is removed from inhaled air

Answers

ur answer is oxygen (O2)!!
What gas is removed from inhaled air?

oxygen (O2)

Which begins as chemical energy and can be transformed into electricity? A.
coal

B.
water

C.
sunlight

D.
wind

Answers

Sunlight i think thats the answer
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