give reason for following questions 1 ) Hydtogen atomic no 1 mass no 1 needs one atom. 2) Oxygen atomic no 8 mass no 16 needs two elections

give reason for following questions 1 ) Hydtogen atomic no 1 mass no 1

1.	give reason for following questions 1 ) Hydtogen atomic no 1 mass no 1 needs one atom. 2) Oxygen atomic no 8 mass no 16 needs two elections
Answer» gen has only one electron so it will gain 1 electron to attain duplet.2)OXYGEN has 6 ELECTRONS in it's outermost shell so it will gain 2 electrons and attain OCTET..HOPE it helpsmark brainliest.