There are four fundamental forces in the universe. one of these hold the nuclei of atoms together. this force, which overcome their natural inclination to repel each other is called the force. a) protons; strong b) protons; electromagnetic c) subatomic particles; strong d) protons and electrons; weak

Drag the tiles to the correct locations. each tile can be used more than once, but not all tiles will be used. one or more locations will remain empty. nitrosyl fluoride has the chemical formula nof nitrogen has five valence electrons, oxygen has six, and fluorine has seven. complete the lewis structure for this covalent compound. f n = = = . : : 0 : reset next um. all rights reserved us 2