Most chemical reactions of an organic compound involve only a few of its numerous atoms; the remainder stay unchanged.
A: majority
B: distribution
C: rest
D: stability
A: majority
B: distribution
C: rest
D: stability
举一反三
- A compound consists of atoms ______ different chemical properties. A: of B: by C: for D: with
- A chemical compound that contains two atoms of oxygen and one atom of another chemical element is called ______
- What is the most appropriate definition of conformation? A: The chemical formula of a molecule B: The fixed arrangement of atoms dictated by the bonds of a molecule C: The three dimensional structure a molecule is most likely to adopt, given its chemical formula D: The (potentially flexible) spatial arrangement of atoms around fixed bonds in a molecule
- Most of the problems are easy. Only _______ are difficult. A: few B: little C: a few D: a little
- We can _____ with people in the most parts of the world by telephone. A: involve B: stay C: communicate D: demand