Atoms Are Mostly Empty Space
What is most likely true of an atom with a mass of 15 amu.
Atoms are mostly empty space. While i wouldn t want something that big landing on my head it s tiny compared to the size of the earth. However there is plenty of free space between the electrons and the nucleus which means that all of us are made up of atoms are formed of a lot of empty space. Electrons in one atom repel the electrons in another.
Put another way if a hydrogen atom were the size of the earth the proton at its center would be about 200 meters 600 feet across. What is the most abundant element in the known universe. At the centre of an atom there is a small point called the nucleus.
But quantum physics says otherwise. The subatomic particle that has the least mass is the. There is no empty space around a nucleus as in bohr s superseded model.
The nucleus makes up a tiny proportion of the space occupied by an atom while the electrons make up the rest. You can think about the empty space in an atom as you might think about an electric fan with rotating blades. It is equal and opposite.
The total number of protons and neutrons is 15. Chemist john dalton proposed the theory that all matter and objects are made up of particles called atoms and this is still accepted by the scientific community almost two centuries later. Learn vocabulary terms and more with flashcards games and other study tools.
You can safely stick your hand into the space between the blades and wiggle your fingers in the nothingness. Atoms contain almost all of their mass in a tiny nucleus at the center of the atom like a marble in a soccer stadium. Around it rotates almost like the planets around the sun small points of matter called electrons.