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sattari [20]
2 years ago
10

Realiza la configuracion electronica,la CEE,grupo y periodo,de cada elemento,la estructura de lewis y la formula de sarrollada d

e los siguientes compuestos H2O
Biology
1 answer:
lesya692 [45]2 years ago
3 0

Answer:

1s2 2s2 2p4

Explicación:

1s2 2s2 2p4 es la configuración electrónica de la molécula de agua. En el agua, hay 10 electrones, dos de hidrógeno y ocho de oxígeno. La subcapa 2s contiene un máximo de 2 electrones, mientras que la capa 2p puede acomodar seis electrones. El átomo de hidrógeno pertenece al primer grupo y el átomo de oxígeno pertenece al sexto grupo de la tabla periódica. En la estructura de Lewis, un átomo de oxígeno está unido a dos átomos de hidrógeno en un ángulo de 104,45 grados. Existe un enlace covalente presente entre el hidrógeno y el átomo de oxígeno en el que ambos se vuelven estables. El oxígeno necesita dos electrones, por lo que forma enlaces con dos átomos de hidrógeno que tienen un electrón cada uno.

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The eukaryote that causes red tide is known as what?
NeX [460]

Answer:

Dinoflagellate

Explanation:

4 0
3 years ago
Explain the difference between blood types AB and O.
blsea [12.9K]

Answer:

The difference between AB and O blood types has to do with the antigens you have or don’t have on your red blood cells.

AB blood has both A and B antigens on its red blood cells and

O blood has neither A nor B antigens on its red blood cells

Explanation:

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3 years ago
An organism's genome is analyzed and found to contain 18% guanine. What percentage of that organism's DNA is adenine?
Oxana [17]

Answer:

32%

Explanation:

According to Chargaff in his complementary base pairing rule, he stated that the proportion of purine and pyrimidine bases is equal to 100%

That is, A + T + G + C = 100%

Where A=T and G=C i.e the proportion of each base pair is equal.

Hence, if the Guanine content is 18%, it means the Cytosine content of that DNA molecule must also be 18%. Therefore:

18 + 18 + A + T = 100

A + T = 100 - 36

A + T = 64

If the sum proportion of Adenine and Thymine is 64% and each must contain equal proportions, A or T = 64/2 = 32

Hence, Adenine contains 32%, likewise Thymine.

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During what phase of meiosis do sister chromatids separate ?
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I believe anaphase II.
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