The negotiations have fallen into a deadlock.

He ended up in a vegetative state after the accident.

This program is designed to avoid a race condition.

I learned about valence in chemistry class.

The atomic number of helium is 2.

Database transactions need to ensure their atomicity.

We must not forget the horror of the atomic bomb.

He measures time accurately using an atomic clock.

The atomic weight of helium is 4.

Nuclear fission is a powerful phenomenon that generates energy.