Explanation:
A specie with no charge and containing one or more number of unpaired electrons is known as a free radical.
These free radicals tend to attain stable configuration by gaining an electron from another atom. Hence, they fill their outer energy levels.
For example, a free radical of chlorine will readily combine with a hydrogen atom in order to attain stability and it leads to the formation of a new chemical bond between the hydrogen and chlorine atom.
As a result, it will form a hydrogen free radical.
Thus, we can conclude that free radical is a highly reactive chemical species with one or more unpaired electrons.
A free radical is a highly reactive chemical species with one or more unpaired electrons. They actively participate in chemical reactions due to their need to complete their electron shell. These radicals can be both harmful and beneficial, depending on their context.
A free radical is a highly reactive chemical species with one or more unpaired electrons. These species are reactive because they seek to complete their electron shell by forming pairs, making them eager to engage in chemical reactions.
For instance, in combustion processes, free radicals like hydroxyl (OH) play a crucial role. Despite their reputation for causing damage in biological systems, free radicals are also beneficial as they are used by the immune system to neutralize pathogens.
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b. Shape
c. Brightness
d. Weight
Correct answer choice is :
C) Brightness
Explanation:
A sheet of white paper seen in the bright sunlight reveals a very different quantity of light than the same sheet of paper seen later that night in a softly illuminated room. Yet we regard the paper as having the same paleness in each case. This is an instance of brightness constancy, our capability to see objects as proceeding to have the same brightness even though light may change their direct visual features.
a. True
b. False
The answer would be, B-False
The distance between the roof and the ground where the balloon water was dropped is 30.65 meters. This is computed using the free fall formula which state that the height or distance is equal to the time it takes object to hit the ground times the constant gravity. In this case, 2.5 seconds times 9.807 meter per square second will then give us the 30.65 meter.
The metric unit of force is Newton or N. The Newton unit is also equal to kilogram per meter per second squared. The Newton name came from the late physicist Isaac Newton. It is also based on the second law of motion.
Answer:
the metric unit of force is N for newton.
Explanation: