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Questions and Answers
How is magnesium obtained mainly?
How is magnesium obtained mainly?
- By chemical synthesis
- By extraction from seawater (correct)
- By mining deep underground
- By recycling old magnesium products
What is the atomic number of magnesium?
What is the atomic number of magnesium?
- 8
- 16
- 20
- 12 (correct)
What oxidation state does magnesium almost always have?
What oxidation state does magnesium almost always have?
- -2
- -1
- +2 (correct)
- +1
How is magnesium primarily used in alloys?
How is magnesium primarily used in alloys?
How is magnesium produced in the cosmos?
How is magnesium produced in the cosmos?
What is another name for mechanical longitudinal waves?
What is another name for mechanical longitudinal waves?
What type of wave is characterized by displacements of the medium at right angles to the direction of propagation?
What type of wave is characterized by displacements of the medium at right angles to the direction of propagation?
Which type of wave is visualized by the movement of a stretched Slinky toy where the distance between coils increases and decreases?
Which type of wave is visualized by the movement of a stretched Slinky toy where the distance between coils increases and decreases?
What are seismic P-waves primarily associated with?
What are seismic P-waves primarily associated with?
Which type of wave describes vibrations in pressure, particle displacement, and particle velocity propagated in an elastic medium?
Which type of wave describes vibrations in pressure, particle displacement, and particle velocity propagated in an elastic medium?
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