9. Potassium [p = 19). 15.255.28, 309 3Prio. Calcium
15 Draw the structure of the following atoms showing the nucle
protons, neutrons and the orbits with the respective electrons
1. Lithium [At no. = 3, Mass no.=7].
2 Carbon [At no.=6, Mass no. = 12].
3. Silicon [At no. = 14, Mass no. = 28].
4. Sedium [At no. = 11, Mass no. = 23].
5. Isotopes of hydrogen [H, 2 H, 3 H]
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