Based on the provided image, this is a crossword puzzle that requires you to fill in the chemical symbols of elements from the periodic table. The clues are given as atomic numbers.
Here is the solution for the crossword puzzle:
Across:
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4: Be (Beryllium)
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10: Ne (Neon)
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13: Al (Aluminum)
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17: Cl (Chlorine)
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19: K (Potassium)
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23: V (Vanadium)
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24: Cr (Chromium)
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25: Mn (Manganese)
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26: Fe (Iron)
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27: Co (Cobalt)
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31: Ga (Gallium)
Down:
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1: Ca (Calcium) - Atomic number 20
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2: He (Helium) - Atomic number 2
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3: Li (Lithium) - Atomic number 3
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5: Mn (Manganese) - Atomic number 25
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6: Ar (Argon) - Atomic number 18
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7: Y (Yttrium) - Atomic number 39
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8: Ti (Titanium) - Atomic number 22
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9: Sc (Scandium) - Atomic number 21
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11: Rb (Rubidium) - Atomic number 37
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12: Sr (Strontium) - Atomic number 38
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14: Zr (Zirconium) - Atomic number 40
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15: Nb (Niobium) - Atomic number 41
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16: Mo (Molybdenum) - Atomic number 42
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18: Tc (Technetium) - Atomic number 43
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21: Ru (Ruthenium) - Atomic number 44
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22: Rh (Rhodium) - Atomic number 45
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28: Pd (Palladium) - Atomic number 46
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29: Ag (Silver) - Atomic number 47
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30: Cd (Cadmium) - Atomic number 48
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32: In (Indium) - Atomic number 49
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33: Sn (Tin) - Atomic number 50
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34: Sb (Antimony) - Atomic number 51
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35: Te (Tellurium) - Atomic number 52
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36: I (Iodine) - Atomic number 53
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37: Xe (Xenon) - Atomic number 54
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38: Cs (Cesium) - Atomic number 55
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39: Ba (Barium) - Atomic number 56
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40: La (Lanthanum) - Atomic number 57
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41: Ce (Cerium) - Atomic number 58
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42: Pr (Praseodymium) - Atomic number 59
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43: Nd (Neodymium) - Atomic number 60
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44: Pm (Promethium) - Atomic number 61
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45: Sm (Samarium) - Atomic number 62
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46: Eu (Europium) - Atomic number 63
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47: Gd (Gadolinium) - Atomic number 64
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48: Tb (Terbium) - Atomic number 65
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49: Dy (Dysprosium) - Atomic number 66
To complete the puzzle, you would place these two-letter or one-letter symbols into the grid according to the numbered squares for each clue. For example, "Be" would be placed in the squares corresponding to clue 4 Across, and "Ca" would be placed in the squares for clue 1 Down.
Parent Tip: Review the logic above to help your child master the concept of periodic table puzzle worksheet answers.
