The valence of helium is 0.
Answer: Carlos Slim becomes the first Mexican and person from an emerging economy to top Forbes Richest Person list, with net worth of US$53.5 billion
Answer: protons and electrons
Explanation: In a neutral atom there are always equal numbers of protons and electrons.
Answer:
A metallic bond is formed by the attraction between positively charge metal ions and the electrons around the ions.
Explanation:
Hope this helps.
1,363 is the right answer