if you pine cones are falling from a pine tree both pine cones are falling at the same speed if Pinecone one weighs less than pine cone to which pine cone has more kinetic energy

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

the correct choice is a .

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