The finished puzzle is a section of the periodic table, so the numbers on each tile are their atomic numbers - that means they increase from left to right and top to bottom. Another helpful clue ...

Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out some of the most unusual periodic tables you’ve ever ...

Is the periodic table hanging in your lab ... and contain articles, experiments, and puzzles based on each year’s themes.

Designed to engage children with a unique periodic table decoding challenge, this worksheet encourages them to solve puzzles using atomic numbers to spell out fall-themed words. Whether you’re a ...

From the smallest trace elements to the largest building blocks, each piece of the puzzle is vital for creating and sustaining human life. So the next time you look at the periodic table ...