Indicate the missing number of electrons on the outer electron layer before its completion for the following atoms
| October 27, 2020 | Education
Indicate the missing number of electrons on the outer electron layer before its completion for the following atoms: a) sulfur and oxygen; b) boron and aluminum; c) chlorine and fluorine.
a) two at a time; b) five each; c) one at a time.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.