Questions › Category: Bharti / Recruitment › Science
0 Vote Up Vote Down
976616477 asked 7 years ago
What is the sodium atomic mass?
5 Answers
0 Vote Up Vote Down
Abdul Shafi answered 7 years ago
23
0 Vote Up Vote Down
pawardipali546 answered 7 years ago
23
0 Vote Up Vote Down
nikhil answered 7 years ago
23
0 Vote Up Vote Down
Harsh answered 7 years ago
Sodium is an alkali metal that comes first in the 3rd period of the periodic table. It is the 11th element, that is, it's atomic number is 11. There are 12 neutrons in the nucleus of sodium. Thus we get the atomic mass number 11 + 12 = 23. Hence the atomic mass number of sodium is 23.
0 Vote Up Vote Down
dbshaikh answered 7 years ago
23