The atomic number of an atom is 10 and its mass number is 21. How many protons,neutrons, and electrons does the atom have?

The atomic number of an atom is 10 and its mass number is 21. How many

1.	The atomic number of an atom is 10 and its mass number is 21. How many protons,neutrons, and electrons does the atom have?
Answer» <html><body><p><strong>Answer:</strong></p><p>no. of protons = 10 , no. of <a href="https://interviewquestions.tuteehub.com/tag/electrons-969138" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRONS">ELECTRONS</a> = 10 and no. of neutrons = 11</p><p><strong>Step-by-step explanation:</strong></p><p>The <a href="https://interviewquestions.tuteehub.com/tag/atomic-2477" style="font-weight:bold;" target="_blank" title="Click to know more about ATOMIC">ATOMIC</a> number of an atom <a href="https://interviewquestions.tuteehub.com/tag/represents-1185452" style="font-weight:bold;" target="_blank" title="Click to know more about REPRESENTS">REPRESENTS</a> the no. of protons in it and in a <a href="https://interviewquestions.tuteehub.com/tag/neutral-1114358" style="font-weight:bold;" target="_blank" title="Click to know more about NEUTRAL">NEUTRAL</a> atom no. of protons and electrons will be equal, <a href="https://interviewquestions.tuteehub.com/tag/hence-484344" style="font-weight:bold;" target="_blank" title="Click to know more about HENCE">HENCE</a> no. of protons = no. of electrons = 10 and in an atom, total no. of protons + total no. of neutrons = Mass Number,</p><p>So, no. of neutrons= 21-10 = 11</p></body></html>