Answer:
A force can speed up or slow down an object. A force can change the direction in which an object is moving. A bigger force on an object will produce a bigger change in the motion. A heavier object requires a larger force than a lighter object in order to undergo the same change in motion.
Explanation:
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Answer:
It gives the number of protons in the nucleus of each atom of that element.
Explanation:
The term amphoteric describes a substance that can act as both an acid and a base.
