Question

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Answer 1

Answer:

1)Conclusion of Rutherford's scattering experiment:

Most of the space inside the atom is empty because most of the α-particles passed through the gold foil without getting deflected. Very few particles were deflected from their path, indicating that the positive charge of the atom occupies very little space.

2)The kinetic energy of a body is the energy that it possessed due to its motion. Kinetic energy can be defined as the work needed to accelerate an object of a given mass from rest to its stated velocity. ... the kinetic energy formula derivation can be done using algebra and calculus.

3)The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.

4)Two examples of symptoms are: (i) Lesions on the skin are the symptoms of chickenpox. (ii)Cough is a symptom of lung infection. Note:It is to be noted that the sign is any objective evidence of a disease that can be observed by others such as a physician, nurse, or medical device during the examination of a patient. ×

5)Don't know

6)a)Although the fixation of atmospheric nitrogen is an essential part of the nitrogen cycle, ammonification and nitrification are the predominant methods by which organic nitrogen is prevented from returning to the atmosphere and is kept cycling through the

biosphere.

b)Two leguminous plants like pulses, peas have the capacity to fix nitrogen.

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