Question

Calculate the number of atoms in 0.8g of copper (Cu = 64)​

Answer 1

Explanation:

boys not allowed

I'd -686 674 1145

pwd- 3333

Answer 2

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.