When an atom of sodium in the surface of the sun has two electrons removed, then
A. it becomes aluminum.
B. it is a positive ion susceptible to acceleration in solar magnetic fields.
C. it has a negative charge.
D. it is a negatively charged rubidium atom.
Answer: B
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a. the electric motor which essentially converts electricity into heat b. compression of the refrigeration gas into a liquid c. liquefying the refrigeration gas d. vaporization of the refrigeration liquid e. proper insulation
A sonic boom occurs only as an airplane just reaches the speed of sound in air, but not after it increases its speed further
A) True B) False
If in Compton scattering of X-rays from a metal, the wavelength increases by 5% at an angle of 60°, what was the original wavelength before scattering?
What will be an ideal response?
How many diatomic molecules are represented in the illustration above?
A) 1 B) 2 C) 3 D) 4