Start studying components of gastric juice. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
How many protons neutrons and electrons in uranium 240? Uranium 240 has 92 protons and electrons, but 148 neutrons because the atomic number is 92 and the atomic mass is 240. Edit
The charge on an electron is -1. It is found in a region around the nucleus called the electron cloud. The mass of an electron is 9.10939 x 10-31 kg (1836 times lighter than the mass of a proton). The typical size of the electron cloud is usually 5 x 10-11 to 10-10 m in size, about 100,000 times larger than the nucleus.