Question: how many valence electrons are in the electron-dot structure of h2o?
Answer: Rule 1: Count the total number of valence electrons in each atom and then add them together to get the total number for electrons in the molecule (for example, H2O has 2 x 1 + 6 = 8 valence electrons; CCl4 has 4 + 4 x 7 = 32 valence electrons).