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beryllium (be) 4 1s2 2s2
boron (b) 5 1s2 2s2 2p1
carbon (c) 6 1s2 2s2 2p2
nitrogen (n) 7 1s2 2s2 2p3
oxygen (o) 8 1s2 2s2 2p4
fluorine (f) 9 1s2 2s2 2p5
neon (ne) 10 1s2 2s2 2p6
sodium (na) 11 1s2 2s2 2p6 3s1
magnesium (mg) 12 1s2 2s2 2p6 3s2
aluminum (al) 13 1s2 2s2 2p6 3s23p1
silicon (si) 14 1s2 2s2 2p6 3s23p2
phosphorous (p) 15 1s2 2s2 2p6 3s23p3
sulfur (s) 16 1s2 2s2 2p6 3s23p4
chlorine (cl) 17 1s2 2s2 2p6 3s23p5
argon (ar) 18 1s2 2s2 2p6 3s23p6
potassium (k) 19 1s2 2s2 2p6 3s23p6 4s1
calcium (ca) 20 1s2 2s2 2p6 3s23p6 4s2
scandium (sc) 21 1s2 2s2 2p6 3s23p6 4s2 3d1
titanium (ti) 22 1s2 2s2 2p6 3s23p6 4s2 3d2
vanadium (v) 23 1s2 2s2 2p6 3s23p6 4s2 3d3
chromium (cr) 24 1s2 2s2 2p6 3s23p6 4s1 3d5
manganese (mn) 25 1s2 2s2 2p6 3s23p6 4s2 3d5
iron (fe) 26 1s2 2s2 2p6 3s23p6 4s2 3d6
cobalt (co) 27 1s2 2s2 2p6 3s23p6 4s2 3d7
nickel (ni) 28 1s2 2s2 2p6 3s23p6 4s2 3d8
copper (cu) 29 1s2 2s2 2p6 3s23p6 4s1 3d10
zinc (zn) 30 1s2 2s2 2p6 3s23p6 4s2 3d10
gallium (ga) 31 1s2 2s2 2p6 3s23p6 4s…
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