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saul85 [17]
3 years ago
11

What does the bottom number within each box of the periodic table refer to? How can it be used to determine the number of neutro

ns inside an element?
Chemistry
1 answer:
geniusboy [140]3 years ago
4 0
The number above the symbol is the atomic mass (or atomic weight). This is the total number of protons and neutrons in an atom. The number below the symbol is the atomic number and this reflects the number of protons in the nucleus of each element's atom. Every element has a unique atomic number.
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Answer:

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Explanation:

Hola!

En este caso, debemos recordar que la adición de agua incrementa el volumen donde se encuentra un soluto disuelto, el cual posee una cantidad de materia constante. De este modo, sabiendo que la densidad es:

\rho =\frac{m}{V}

Al incrementar el denominador (volumen), la densidad experimenta una disminución, al estar en relación inversamente proporcional.

Muchos saludos!

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hot air rises and expanded the balloon

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thats it.

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