3. A substance which is made up of two are more different elements chemically combined is known as

A. an atom
B. a substance
C. a compound
D. a molecule

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

How much energy is required to vaporize 2 kg of copper? a 4730 kj b 207kj c 9460 kj d 414kj

Glucose (c6h12o6) is the simple sugar that plants make. what is the total number of atoms in glucose? 1 3 24 144