Answers

2015-05-24T14:51:58+05:30


atomic number of the atom =mass number -number of neutrons

                                         =13-7=6

the atomic number of the atom is 6

0
2015-05-24T14:53:00+05:30
Atomic mass number = 13
No. of neutrons = 7
atomic number= no. of protons inside
atomic number = mass number - number of neutrons
therefore, 13 - 7 =6
1 1 1