Today’s periodic table looks at the elements under our feet – which are the main elements found in the Earth’s crust, and which are the rarest?
<–– Go to day 12 | Return to Advent Calendar | Go to day 14 —>
Today’s periodic table looks at the elements under our feet – which are the main elements found in the Earth’s crust, and which are the rarest?
<–– Go to day 12 | Return to Advent Calendar | Go to day 14 —>