An isotope has an atomic number of 15 and a mass number of 31. The number of protons it contain is

Myschool Paul

10 years ago

Thanks for your contributions, corrections have been made.

ebenezeroni

12 years ago

protron no is d as atomic no so 15 is ans

BoluJesuspikin999

1 year ago

How's it 15

sere_johhz

12 years ago

atomic no is the no of proton in the nucleus of an atom,,, so the ans shud ben15

Podin_

12 years ago

yeah. its supposed to be 15 cos Atomic, proton and electron number are the same except when the element carries a negative sign, then the electron is different.

Zuma4luv

12 years ago

It suppose to be 15

mr victory

11 years ago

U are wrong @ oscomosco, the ansa is 15, go and check it

badformular

10 years ago

isotope is just the diffrence in neutron number so myschool is wrong

Anela

1 year ago

Isotopes differ based on their neutron no.

proton no.,electron no. and atomic no. are usually thesame figures

adeola4christ

11 years ago

it is 15

terabyte1996

11 years ago

Go n check d definition of isotope n stop confusing urselves.

BlessedDrNuel

10 years ago

The answer is 15.....fullstop

My school pls take note

OSCOMOSCO

11 years ago

D ANSWER IS 16 BECUZ ITZ AN ISOTOPE,i.e.,element havin diff. mass/no. but d same atomic no. e.g Chlorine.

Dint u len it in school.