If you cannot get Snap Cubes, you can use colored Styrofoam balls or gumdrops with toothpicks. 1. Remind students of the different substances they have worked with and explain that these substances ...

Carbon, essential for life, journeys through space in a galactic recycling process, fueling star and planet formation.

The carbon atoms in your body have likely traveled much farther than you have, possibly hundreds of thousands of light-years ...

From nearly indestructible metals, like tungsten, to delicate clouds in the sky, atoms make up everything around us. But do these atoms ever touch each other? As with most topics in atomic physics, ...

Atoms of different elements have different numbers ... atom that physical or chemical effects start happening," Baird explained. "This is probably one of the best definitions for touching on ...

Ensure students have an understanding of how mass and atomic numbers can explain the number of protons, neutrons and electrons in atoms. Explain with examples that isotopes have the same number of ...

Superradiance in optical cavities involves atoms emitting light collectively when interacting with cavity photons, a ...

Polyethylene is made up only of carbon and hydrogen atoms. The mass of carbon is pretty low. The mass of hydrogen is the lowest of all the atoms. These low masses help explain why polyethylene has a ...

Transmission electron microscopy (TEM) is one of only few techniques that allows individual atoms to be seen and analysed. However, the TEM instrument requires a high vacuum environment, and the ...