How many electrons will constitute 2A current in unit time

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.

I’ve been stuck on this for a while