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dlinn [17]
2 years ago
12

Objects in the universe vary in their composition. Which of the following best describes the composition of a galaxy?

Chemistry
1 answer:
kaheart [24]2 years ago
8 0

Answer:

A because galaxy turns jggf

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Determine the total mass of water formed when 22.67g of NH3 reacts.
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3 years ago
Why is the use of high-frequency radio waves a beneficial technological advancement
Lynna [10]

Answer:

I think It's C

Explanation:

due to higher waves can get easy transfers and receive those signals for most things, such as radios, TVs, phone signals etc etc

4 0
2 years ago
Un átomo X posee 29 protones y de carga +2 ¿Cuántos electrones tiene?
lesya [120]

Responder:

27

Explicación:

Dado que:

Número de protones en el átomo X = 29

Carga en el átomo X = +2

Si no hay cargo neto;

número de protones = número de electrones

Sin embargo, dado que el átomo X tiene una carga de +2 (dando 2 electrones).

Por lo tanto,

Número de electrones = número de protones - número de carga en el átomo)

Número de electrones = (29 - 2) = 27

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3 years ago
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6 0
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