The mass of an atom depends only on the mass of the nucleon, since the mass of the electrons is negligibly small. Protons and neutrons have approximately the same mass, which again is equal to the unit mass , and their total number is the mass number of atoms and is denoted by the letter A.
Explanation:
- A proton (p +) is a positively charged particle whose mass is 1u, and its relative charge is q (p) = + 1.
- A neutron (n0) is a neutral particle without charge, of mass approximately equal to that of protons. The relative charge q (n) = 0.
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Answer:
Denser air flows in to replace rising air
Explanation:
Movement of air caused by temperature or pressure differences is wind. In fact, the air moving from high to low pressure follows a spiralling route, outwards from high pressure and inwards towards low pressure. Change in air pressure at a given locality often indicates a change. Both air pressure and air density decrease rapidly with increasing altitude.
The denser air flows into the area of low pressure to replace the rising air. This creates a huge convection cell called a Hadley Cell, named after George Hadley
Answer:
Weakness and Superiority
Explanation:
In India, the females are treated a weakness, and therefore the males are treated Superiority.
C. The UN helps provide peace between all nations.