| Symbol | Element Name | $Z$ | $A$ | $p$ | $e$ | $n$ |
| ${ }_{1}^{1} H$ | Hydrogen | $1$ | $1$ | $1$ | $1$ | $0$ |
| ${ }_{2}^{4} He$ | Helium | $2$ | $4$ | $2$ | $2$ | $2$ |
| ${ }_{3}^{7} Li$ | Lithium | $3$ | $7$ | $3$ | $3$ | $4$ |
| ${ }_{4}^{9} Be$ | Beryllium | $4$ | $9$ | $4$ | $4$ | $5$ |
| ${ }_{5}^{11} B$ | Boron | $5$ | $11$ | $5$ | $5$ | $6$ |
| ${ }_{6}^{12} C$ | Carbon | $6$ | $12$ | $6$ | $6$ | $6$ |
| ${ }_{7}^{14} N$ | Nitrogen | $7$ | $14$ | $7$ | $7$ | $7$ |
| ${ }_{8}^{16} O$ | Oxygen | $8$ | $16$ | $8$ | $8$ | $8$ |
| ${ }_{9}^{19} F$ | Fluorine | $9$ | $19$ | $9$ | $9$ | $10$ |
| ${ }_{10}^{20} Ne$ | Neon | $10$ | $20$ | $10$ | $10$ | $10$ |
Explore More
Vedclass Products
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialGenerate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeLive online exams with unlimited students, 360° analytics & white-label branding.
See Demo