Explanation:
To break a chemical bond, it is required that particles must have certain amount of energy so that when they can collide with each other due to this energy.
Therefore, there will exist a certain amount of force between the particles which will help in breaking the chemical bond.
This energy due to the motion of particles is known as kinetic energy.
Thus, we can conclude that to break a chemical bond, particles need to collide with a certain amount of kinetic energy.
Reactivity of non-metals depend on their ability to gain electrons. So, smaller is the size of a non-metal more readily it will attract electrons because then nucleus will be more closer to valence shell. ... Hence, Br is the non-metal which will be more reactive than At.
The answer would be D, all the above
Answer: A tick on a deer
Explanation:
because commensalism is a type of symbiotic relationship in which one species benefits, while the other species is neither harmed nor helped
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Answer:
208 g/mol and 87 g/mol
Explanation:
Number of protons = 82
Atomic mass = 126 + 82 = 208 g/mol
For ^{87}Sr
Number of neutrons = 49
Number of protons = 38
Atomic Mass = 49 + 38 = 87 g/mol
