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Answered

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I have 5 questions that need help to answer 1) What are covalent bonds and how do they form ? 2) How do you know which elements and how many of each are in a compound ?
3) How can you find how many valence electrons an atom has ?
4) How many valence electrons do atoms need to be happy? Which elements are the exceptions?

Sagot :

ekt3208

Answer:

covalent bond- a chemical bond that is the sharing of electron pairs between atoms

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