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user100 [1]
3 years ago
8

29. Element X has five valence electrons, element Y has one valence electron, and element Z has one valence electron. Which two

of these elements are most likely to have similar properties? Explain your answer.
Biology
2 answers:
miskamm [114]3 years ago
3 0

Answer:

element Y and Z

Explanation:

Having on valence electron indicates that these elements are on the same column/group of the periodic table. Both these elements will bond with a -1 charge.

Rzqust [24]3 years ago
3 0

Answer:

The answer to your question is: Elements Y and Z

Explanation:

Elements have similar properties if they are located in the same group. Elements in the same group have the same valence number.

Element X     5 valence electrons

Element Y     1 valence electrons

Element Z      1 valence electrons

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Coyotes and dogs have been placed into different species. however, they can mate and produce viable, fertile offspring. what wou
Ostrovityanka [42]
That fact can be explained by the similarity in their genes. 

Dogs and coyotes are from the same class, family and genus (Mammalia, Canidae, Canis).
This is almost enough for their offspring to be viable. But if the DNA is similar (which it is) offspring the chances of viable and fertile offspring is high almost at 100%.

Hope it helped,

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8 0
3 years ago
Si se aparean especies diferentes como por ejemplo el cruce entre caballos y burros; podemos afirmar que si llegan a tener desce
White raven [17]

Answer:

El híbrido va a ser esteril.

Explanation:

En la cruza entre dos especies distintas, cuando ocurre, existen distintos mecanismos de aislamiento reproductivo, que son barreras que inhiben o interrumpen el flujo génico entre especies distintas. Es decir que no habrá exito reproductivo de estas cruzas. Se trata de caracteres biológicos propios de cada especie que previenen la reproducción con otras especies.

Estos mecanismos de aislamiento reproductivo pueden ser precigóticos o postcigóticos.  

  1.Pre-copulatorios o pre-cigóticos:

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  2. Post-copulatorios o cigóticos:

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La mula es producto de la cruza entre dos especies distintas: una yegua (Equus ferus caballus) y un burro (Equus africanus asinus). Es un ejemplo de la accion de mecanismo poscigótico, en el cual se forma un híbrido viable esteril. Este ejemplar puede nacer, crecer y sobrevivir, pero que no puede producir gametas funcionales, por lo cual no puede reproducirse.  

7 0
3 years ago
If x represents a number then write an expression for a number that is three more than the number
saul85 [17]

Answer:

Explanation:

X+3

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