Examlex
Which of the following is the oxidation state of nitrogen in nitric acid?
UV Absorption
The process by which a substance absorbs ultraviolet light and thereby undergoes a transition from a lower to a higher energy state.
Vitamin
Organic compounds required in small amounts for essential metabolic reactions in living organisms, typically not synthesized by the organism itself.
UV-visible Energy
Electromagnetic energy in the ultraviolet to visible spectrum, crucial for processes like photosynthesis and often used in spectroscopy for analyzing substances.
Electronic Transitions
Describes the movement of electrons between energy levels within an atom or molecule, commonly observed in spectroscopy.
Q8: According to the law of definite proportions,<br>A)
Q16: How many of the atoms are sp<sup>2</sup>
Q26: A student was trying to determine the
Q43: The majority of electron transitions in molecules
Q46: A metal crystallizes in a body-centered unit
Q52: Which of the following chemical species has
Q68: Which group contains the most active metals?<br>A)
Q80: Consider a reaction in which two reactants
Q97: A mixture of solid NaCl and CaCl<sub>2</sub>
Q114: Consider the following four compounds: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6420/.jpg"