helium atom造句怎麼寫

Just as in the sun, the chain reaction in the second stage fuses the hydrogen atoms into heavier helium atoms and releases vast amounts of energy in the process.

The force between a pair of helium atoms is so weak that helium does not solidify at all.

So let's take two cases of shielding if we're talking about, for example, the helium, a helium nucleus or a helium atom.

A radioactive transuranic metallic element discovered by bombarding with helium atoms.