1.

Mass of a neutron is 1.675 10-27 and mass of proton is 1.672 10-27. Find the total mass.

A. 3.347 10<sup>-27</sup>
B. 3.337 10<sup>-27</sup>
C. 3.447 10<sup>-27</sup>
D. 3.357 10<sup>-27</sup>
Answer» B. 3.337 10<sup>-27</sup>


Discussion

No Comment Found