Life on Earth is based on carbon, likely because each carbon atom can form bonds with up to four other atoms simultaneously. This quality makes carbon well-suited to form the long chains of molecules that serve as the basis for life as we know it, such as proteins and DNA.
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<h2>Ultraviolet Light</h2>
Explanation:
- The energy of a photon that will be released if an electron falls from the n= 2 orbit (excited state) to the n0 = 1 orbit (ground state) is of ultraviolet light.
- In the ultraviolet part of the spectrum, a photon having an energy of 10.2 eV has a wavelength of 1.21 x 10-7 m.
- Hence, when an electron wants to jump or it gets excited from the first level to the second level that is from n = 1 orbit to n = 2 orbits, it must absorb a photon of ultraviolet light.
- But,When an electron falls from n = 2 orbit to n = 1 orbit or from n = 2 orbit(excited state) to n = 0 orbit(groubd state), it emits a photon of ultraviolet light.
The answer to the question given above is letter A. Light
Light is considered a load of the parts of a circuit. <span>The load in a circuit can be
any electrical device that converts electrical energy into other usable forms
of energy such as a <span>light bulb.
>></span></span><span>Energy sources include
batteries and generating stations
>>switch-</span><span>is
used in electric circuits to allow the circuit to be turned on and off.</span>
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Carbon has the highest first ionization energy because it is the topmost atom on the periodic table
