Jim collects a sample of beach sand during a class trip. After a close inspection of the sample he classifies it as a mixture.
A)Heterogeneous
B)Heterologous
C)homogeneous
D)homologous

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