On a drive in Virginia, our car turned left or right on a curvy road 13 times. We also went up 6 hills and back down the other side the same number of times. We sped up and slowed down a
total of 61 times. How many velocity changes did we experience?

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explanation:

covalent bonds

consist of pairs of electrons shared by two atoms, and bind the atoms to fixed orientation and requre high energies to break them

ionic bonds

when two atoms differ considerably in their electronegativity, then one of the atoms will lose its electron to the other atom. this results in a positively charged ion(cation) and a negatively charged ion (anion)

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