Here is the list of elements with their atomic numbers:
Alkali Metals
1. Lithium (Li) - Atomic Number: 3
2. Sodium (Na) - Atomic Number: 11
3. Potassium (K) - Atomic Number: 19
4. Rubidium (Rb) - Atomic Number: 37
5. Caesium (Cs) - Atomic Number: 55
6. Francium (Fr) - Atomic Number: 87
Alkaline Earth Metals
1. Beryllium (Be) - Atomic Number: 4
2. Magnesium (Mg) - Atomic Number: 12
3. Calcium (Ca) - Atomic Number: 20
4. Strontium (Sr) - Atomic Number: 38
5. Barium (Ba) - Atomic Number: 56
6. Radium (Ra) - Atomic Number: 88
Halogens
1. Fluorine (F) - Atomic Number: 9
2. Chlorine (Cl) - Atomic Number: 17
3. Bromine (Br) - Atomic Number: 35
4. Iodine (I) - Atomic Number: 53
5. Astatine (At) - Atomic Number: 85
Noble Gases
1. Helium (He) - Atomic Number: 2
2. Neon (Ne) - Atomic Number: 10
3. Argon (Ar) - Atomic Number: 18
4. Krypton (Kr) - Atomic Number: 36
5. Xenon (Xe) - Atomic Number: 54
6. Radon (Rn) - Atomic Number: 86
Transition Metals
1. Scandium (Sc) - Atomic Number: 21
2. Titanium (Ti) - Atomic Number: 22
3. Vanadium (V) - Atomic Number: 23
4. Chromium (Cr) - Atomic Number: 24
5. Manganese (Mn) - Atomic Number: 25
6. Iron (Fe) - Atomic Number: 26
7. Cobalt (Co) - Atomic Number: 27
8. Nickel (Ni) - Atomic Number: 28
9. Copper (Cu) - Atomic Number: 29
10. Zinc (Zn) - Atomic Number: 30
Post-Transition Metals
1. Gallium (Ga) - Atomic Number: 31
2. Indium (In) - Atomic Number: 49
3. Tin (Sn) - Atomic Number: 50
4. Thallium (Tl) - Atomic Number: 81
5. Lead (Pb) - Atomic Number: 82
6. Bismuth (Bi) - Atomic Number: 83
Metalloids
1. Boron (B) - Atomic Number: 5
2. Silicon (Si) - Atomic Number: 14
3. Germanium (Ge) - Atomic Number: 32
4. Arsenic (As) - Atomic Number: 33
5. Antimony (Sb) - Atomic Number: 51
6. Tellurium (Te) - Atomic Number: 52
7. Polonium (Po) - Atomic Number: 84
Nonmetals
1. Hydrogen (H) - Atomic Number: 1
2. Carbon (C) - Atomic Number: 6
3. Nitrogen (N) - Atomic Number: 7
4. Oxygen (O) - Atomic Number: 8
5. Phosphorus (P) - Atomic Number: 15
6. Sulfur (S) - Atomic Number: 16
7. Selenium (Se) - Atomic Number: 34
Lanthanides
1. Lanthanum (La) - Atomic Number: 57
2. Cerium (Ce) - Atomic Number: 58
3. Praseodymium (Pr) - Atomic Number: 59
4. Neodymium (Nd) - Atomic Number: 60
5. Promethium (Pm) - Atomic Number: 61
6. Samarium (Sm) - Atomic Number: 62
7. Europium (Eu) - Atomic Number: 63
8. Gadolinium (Gd) - Atomic Number: 64
9. Terbium (Tb) - Atomic Number: 65
10. Dysprosium (Dy) - Atomic Number: 66
11. Holmium (Ho) - Atomic Number: 67
12. Erbium (Er) - Atomic Number: 68
13. Thulium (Tm) - Atomic Number: 69
14. Ytterbium (Yb) - Atomic Number: 70
15. Lutetium (Lu) - Atomic Number: 71
Actinides
1. Actinium (Ac) - Atomic Number: 89
2. Thorium (Th) - Atomic Number: 90
3. Protactinium (Pa) - Atomic Number: 91
4. Uranium (U) - Atomic Number: 92
5. Neptunium (Np) - Atomic Number: 93
6. Plutonium (Pu) - Atomic Number: 94
7. Americium (Am) - Atomic Number: 95
8. Curium (Cm) - Atomic Number: 96
9. Berkelium (Bk) - Atomic Number: 97
10. Californium (Cf) - Atomic Number: 98
11. Einsteinium (Es) - Atomic Number: 99
12. Fermium (Fm) - Atomic Number: 100
13. Mendelevium (Md) - Atomic Number: 101
14. Nobelium (No) - Atomic Number: 102
15. Lawrencium (Lr) - Atomic Number: 103
Synthetic Elements
1. Rutherfordium (Rf) - Atomic Number: 104
2. Dubnium (Db) - Atomic Number: 105
3. Seaborgium (Sg) - Atomic Number: 106
4. Bohrium (Bh) - Atomic Number: 107
5. Hassium (Hs) - Atomic Number: 108
6. Meitnerium (Mt) - Atomic Number: 109
7. Darmstadtium (Ds) - Atomic Number: 110
8. Roentgenium (Rg) - Atomic Number: 111
9. Copernicium (Cn) - Atomic Number: 112
10. Nihonium (Nh) - Atomic Number: 113
11. Flerovium (Fl) - Atomic Number: 114
12. Moscovium (Mc) - Atomic Number: 115
13. Livermorium (Lv) - Atomic Number: 116
14. Tennessine (Ts) - Atomic Number: 117
15. Oganesson (Og) - Atomic Number: 118
16. Tennessine (Ts) - Atomic Number: 117
17. Oganesson (Og) - Atomic Number: 118
Elements by Block
*s-Block Elements*
1. Hydrogen (H) - Atomic Number: 1
2. Lithium (Li) - Atomic Number: 3
3. Sodium (Na) - Atomic Number: 11
4. Potassium (K) - Atomic Number: 19
5. Rubidium (Rb) - Atomic Number: 37
6. Caesium (Cs) - Atomic Number: 55
7. Francium (Fr) - Atomic Number: 87
*p-Block Elements*
1. Boron (B) - Atomic Number: 5
2. Carbon (C) - Atomic Number: 6
3. Nitrogen (N) - Atomic Number: 7
4. Oxygen (O) - Atomic Number: 8
5. Fluorine (F) - Atomic Number: 9
6. Neon (Ne) - Atomic Number: 10
*d-Block Elements*
1. Scandium (Sc) - Atomic Number: 21
2. Titanium (Ti) - Atomic Number: 22
3. Vanadium (V) - Atomic Number: 23
4. Chromium (Cr) - Atomic Number: 24
5. Manganese (Mn) - Atomic Number: 25
6. Iron (Fe) - Atomic Number: 26
*f-Block Elements*
1. Lanthanum (La) - Atomic Number: 57
2. Cerium (Ce) - Atomic Number: 58
3. Praseodymium (Pr) - Atomic Number: 59
4. Neodymium (Nd) - Atomic Number: 60
5. Promethium (Pm) - Atomic Number: 61
6. Samarium (Sm) - Atomic Number: 62
Note: This is not an exhaustive list, but it covers the main categories and some of the most well-known elements.
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