Printable blank periodic table for learning and practicing element identification.

This image shows a blank periodic table of elements with numbered boxes. The numbers correspond to the atomic number of each element (the number of protons in the nucleus).

To "solve" this, we need to identify which chemical element belongs in each box based on its atomic number. Here is the step-by-step identification for the main sections of the table.

Step 1: The First Two Rows (Periods 1 & 2)

These are the lightest elements.
* 1: Hydrogen (H)
* 2: Helium (He)
* 3: Lithium (Li)
* 4: Beryllium (Be)
* 5: Boron (B)
* 6: Carbon (C)
* 7: Nitrogen (N)
* 8: Oxygen (O)
* 9: Fluorine (F)
* 10: Neon (Ne)

Step 2: The Third Row (Period 3)

* 11: Sodium (Na)
* 12: Magnesium (Mg)
* 13: Aluminum (Al)
* 14: Silicon (Si)
* 15: Phosphorus (P)
* 16: Sulfur (S)
* 17: Chlorine (Cl)
* 18: Argon (Ar)

Step 3: The Fourth Row (Period 4)

This row introduces the transition metals (the middle block).
* 19: Potassium (K)
* 20: Calcium (Ca)
* 21: Scandium (Sc)
* 22: Titanium (Ti)
* 23: Vanadium (V)
* 24: Chromium (Cr)
* 25: Manganese (Mn)
* 26: Iron (Fe)
* 27: Cobalt (Co)
* 28: Nickel (Ni)
* 29: Copper (Cu)
* 30: Zinc (Zn)
* 31: Gallium (Ga)
* 32: Germanium (Ge)
* 33: Arsenic (As)
* 34: Selenium (Se)
* 35: Bromine (Br)
* 36: Krypton (Kr)

Step 4: The Fifth Row (Period 5)

* 37: Rubidium (Rb)
* 38: Strontium (Sr)
* 39: Yttrium (Y)
* 40: Zirconium (Zr)
* 41: Niobium (Nb)
* 42: Molybdenum (Mo)
* 43: Technetium (Tc)
* 44: Ruthenium (Ru)
* 45: Rhodium (Rh)
* 46: Palladium (Pd)
* 47: Silver (Ag)
* 48: Cadmium (Cd)
* 49: Indium (In)
* 50: Tin (Sn)
* 51: Antimony (Sb)
* 52: Tellurium (Te)
* 53: Iodine (I)
* 54: Xenon (Xe)

Step 5: The Sixth Row (Period 6)

*Note: The box labeled "57-71" represents the Lanthanides series.*
* 55: Cesium (Cs)
* 56: Barium (Ba)
* 57-71: Lanthanides (La through Lu)
* 72: Hafnium (Hf)
* 73: Tantalum (Ta)
* 74: Tungsten (W)
* 75: Rhenium (Re)
* 76: Osmium (Os)
* 77: Iridium (Ir)
* 78: Platinum (Pt)
* 79: Gold (Au)
* 80: Mercury (Hg)
* 81: Thallium (Tl)
* 82: Lead (Pb)
* 83: Bismuth (Bi)
* 84: Polonium (Po)
* 85: Astatine (At)
* 86: Radon (Rn)

Step 6: The Seventh Row (Period 7)

*Note: The box labeled "89-103" represents the Actinides series.*
* 87: Francium (Fr)
* 88: Radium (Ra)
* 89-103: Actinides (Ac through Lr)
* 104: Rutherfordium (Rf)
* 105: Dubnium (Db)
* 106: Seaborgium (Sg)
* 107: Bohrium (Bh)
* 108: Hassium (Hs)
* 109: Meitnerium (Mt)
* 110: Darmstadtium (Ds)
* 111: Roentgenium (Rg)
* 112: Copernicium (Cn)
* 113: Nihonium (Nh)
* 114: Flerovium (Fl)
* 115: Moscovium (Mc)
* 116: Livermorium (Lv)
* 117: Tennessine (Ts)
* 118: Oganesson (Og)

Step 7: The Inner Transition Metals (Bottom Blocks)

These fit into the gaps marked in rows 6 and 7.

Lanthanides (Row below main table, left side):
* 57: Lanthanum (La)
* 58: Cerium (Ce)
* 59: Praseodymium (Pr)
* 60: Neodymium (Nd)
* 61: Promethium (Pm)
* 62: Samarium (Sm)
* 63: Europium (Eu)
* 64: Gadolinium (Gd)
* 65: Terbium (Tb)
* 66: Dysprosium (Dy)
* 67: Holmium (Ho)
* 68: Erbium (Er)
* 69: Thulium (Tm)
* 70: Ytterbium (Yb)
* 71: Lutetium (Lu)

Actinides (Row below main table, right side):
* 89: Actinium (Ac)
* 90: Thorium (Th)
* 91: Protactinium (Pa)
* 92: Uranium (U)
* 93: Neptunium (Np)
* 94: Plutonium (Pu)
* 95: Americium (Am)
* 96: Curium (Cm)
* 97: Berkelium (Bk)
* 98: Californium (Cf)
* 99: Einsteinium (Es)
* 100: Fermium (Fm)
* 101: Mendelevium (Md)
* 102: Nobelium (No)
* 103: Lawrencium (Lr)

Final Answer:
The task requires filling the periodic table with element names corresponding to their atomic numbers. Key elements include: 1: Hydrogen, 6: Carbon, 8: Oxygen, 26: Iron, 29: Copper, 47: Silver, 79: Gold, 82: Lead, and 92: Uranium. The blocks labeled 57-71 are the Lanthanides and 89-103 are the Actinides.