Ayuda por favor no entiendo nada voy a reprobar 2- Completa el siguiente cuadro indicando la cantidad de partículas subatómicas
fundamentales para cada uno de los siguientes átomos: Atomos | N° atómico | N° de protones | N° de electrones | N° de neutrones 7 Li 20Ne 35Cl 31P 80Br 14C
An element is a substance that cannot be split into smaller substance. It is made up of one kind of atom and can exist either as molecules (e.g nitogen) or an atom (e.g argon).
The electronic configuration of the element with Atomic number 19 is 2,8,8,1. The element is potassium. It is an alkali metal with one valence electron.
Gravity is a force in which everything in the universe is trying to pull everyother thing towards themsef. Here, the sun's gravity keeps the planet in orbit.
