Mass number of Li, Be and B are 7,9 and 10 respectively. Which of the following has two electron three protons and four neutrons ?

Mass number of Li, Be and B are 7,9 and 10 respectively. Which of the

1.	Mass number of Li, Be and B are 7,9 and 10 respectively. Which of the following has two electron three protons and four neutrons ?
Answer» `B^(+)` `Be^(2+)` `LI^(+)` Be Answer :C