¿Qué es un átomo?

The video explains atoms as the fundamental building blocks of matter, highlighting their incredibly small size and the vast number of atoms in a single grain of sand. It describes the basic structure of atoms, which consist of protons, neutrons, and electrons, and emphasizes that atoms are mostly empty space. The nucleus, containing protons and neutrons, holds most of the atom's mass. Electrons orbit the nucleus, balancing the positive charge of protons. The atomic number, determined by the number of protons, defines an element's identity, such as hydrogen or oxygen. The video concludes by stating that the structure of atoms forms the world around us.

How do the number of protons and electrons relate to the charge of an atom?

What is the relationship between the number of protons and the type of element an atom represents?