6.7. Serie ecuațiile chimice (cu stabilirea coeficienților), denumirea substantelor şi tipul fiecăre​

[bws.05]where would uncharged particles be most likely found in an atom? o on the electrons o inside the protons o inside the nucleus outside the nucleus

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

How has the geography of india made it difficult for its people to expand before modern technology?