A neutral isotope of nitrogen has an atomic number of 7 and an atomic mass of. 15 amu. How many protons electrons, and neutrons does neutral atom of nitrogen have? Look at the picture for the answer choices
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The number at the end of an isotope’s name is the number.

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .