Question

6. Estimate the number of electrons and protons in 200 g of pure water
and also calculate the effective nuclear charge in this water sample?
(6.692X1025, 1.07X107C).​

Answer 1

Answer:

A black hole is a region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it. The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.