The photoelectric effect occurs when light shines on a metal. ... Light of any frequency will cause electrons to be emitted.
Answer:
Explanation:
the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.
the total number of protons and neutrons in a nucleus.
to write the symbol for an isotope, place the atomic number as a subscript and the mass number (protons plus neutrons) as a superscript to the left of the atomic symbol
Here, We are asked to calculate the molarity of a solution with 18.4 moles of Lithium Fluoride in 26 kg of water... To find the molarity, We need to divide the number of moles by the volume of solution in liters
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- Number of moles = 18.4
- Volume of solution = 26 kg = 37.14 liters



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Letter B
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