Atom Types?

Answer Everything in the universe, besides energy, is made of matter. Matter consists of molecules, which essentially are groups of small particles called atoms. Therefore, atoms make up practically every... Read More »

Top Q&A For: Atom Types

How small is an atom in kkh?

There are three atoms in a molecule of KKH, or K2H: two potassium atoms and one hydrogen atom. The smallest of the three is the hydrogen atom, with an atomic weight of 1.007947 grams. The total wei... Read More »

How big is a hydrogen atom?

According to the "Ask a Scientist" series at the U.S. Department of Energy, a hydrogen atom is about 5.29 nanometers in diameter. A nanometer is one-billionth of a meter. The explanation also notes... Read More »

How big is an aluminum atom?

The elemental symbol for aluminum is Al. Aluminum atoms are lighter than most metal atoms and contain 13 electrons, 14 neutrons and 13 protons. Each atom has the atomic radius of 1.82 angstroms and... Read More »

How to Describe an Atom?

Scientists including John Dalton and Neils Bohr have attempted to describe the atom. With each new discovery, the description changed, and the atom grew more and more complex. What began as a "bill... Read More »