Answer:
Lead is a chemical element with the symbol Pb (from the Latin plumbum) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point.
Explanation:
A: the ball in frame A had the highest velocity, and the ball in frame B has the highest kinetic energy
<span>Hydroxide ions as the only negative ions</span>
I am very sure that the answer is C. Hope it’s right :)
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