In which of the following respect, electronic configuration of hydrogen has resemblance to alkali metals and halogens respectively?

• A

  It lose one electron to form unipositive ion and gain one electron to form uninegative ion

• B

  It gain one electron to form uninegative ion and lose one electron to form unipositive ion

• C

  It has the ability only to gain one electron

• D

  None of the above