## anonymous one year ago What is the expected mass (in kg) of a isotope? 1 proton = 1.6726 × 10-27 kg 1 neutron = 1.6749 × 10-27 kg 3.18 × 10-26 kg 3.18 × 1026 kg 4.69 × 10-26 kg 4.69 × 1026 kg

1. anonymous

$\frac{ 19 }{ 9 }F$

2. Abhisar

Isotope of?

3. anonymous

I put it right there