Answer:
The Visible Spectrum Visible light is the light that we can see, and thus is the only light detectable by the human eye. White light is visible light, and it contains all the colors of the rainbow, from red to violet. The range of visible wavelengths is 400 to 700 nanometers.
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Answer:
Answer is b. Cannot see the attached image though.
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Answer:
multiply the force and how far it traveled and u get 200
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Explanation:
It is known that neutral elements with same number of valence electrons will have same chemical properties. Therefore, elements of same group show similar chemical properties.
Thus, we can see that P and As belongs to group 15. So, they will exhibit similar chemical properties.
Both Ca and Ba belongs to group 2, hence they will exhibit similar chemical properties.
Whereas both He and Ar belongs to group 18 and they will exhibit similar chemical properties.