Question

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Answer 1

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Angle between two vectors using cross product and dot product

The Dot and Cross Product. Two vectors are called orthogonal if their angle is a right angle.

Answer 2

Answer:

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Ionic compounds are ion compounds. These ions are atoms that gain or lose electrons, resulting in a net positive or negative charge. Metals tend to lose electrons, so they have a net positive charge and become cations. Non-metals tend to gain electrons, creating a net negative charge of anions.