The Principle Quantum Number describes what aspect of electron orbitals?

1 answer:

6 0

Answer:

Explanation:

Because that's the spin in its orbitals.

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lana [24]

Molar mass of O2:-

$\\ \rm\longmapsto 2(16u)=32g/mol$

Now

$\boxed{\sf No\:of\;moles=\dfrac{Given\:Mass}{Molar\:Mass}}$

$\\ \rm\longmapsto No\:of\;moles=\dfrac{32}{32}$

$\\ \rm\longmapsto No\:of\;moles=1mol$

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3 years ago

Dafna11 [192]

Answer:

I think they are all correct

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Alecsey [184]

Answer:

PUT THE TOOTHPAST ON CABBAGE AND CHECK IT OUT AFTER A DAY

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lidiya [134]

Sun⇒ Phytoplankton (Producer)⇒ Zooplankton (Primary consumer)⇒ Fish (Secondary consumer)⇒ Bear (Tertiary consumer).

A food chain is a sequence of transfer of food and energy when one organism is consumed by another organism.
A food chain is always unidirectional sequence.
In the provided food chain the sun is the source of energy required for the preparation of food by the phytoplankton that is an aquatic autotroph which will prepare its food by the process of photosynthesis.
The phytoplankton being producer of biomass is consumed by the zooplankton that is the primary consumer than the zooplankton will be consumed by the fish that is the secondary consumer and carnivore by origin and finally the fish will be consumed by the bear that is also carnivore and is tertiary consumer.

Learn more about food chain:

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svetlana [45]

Density = mass/volume

Since there was no condition of unit attached to the question...

Density = 100g/25.0ml

Density = 4g/mL.......

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3 years ago