The atoms of an element are identical, but different from atoms of other elements.
举一反三
- When different elements are chemically combined, with the atoms held together by chemical bonds, they form chemical__5___.
- Atoms having the same atomic number Z, but different numbers of neutrons N are called of the element A: nuclei B: isotopes C: units D: masses
- 中国大学MOOC: Dalton recognized that the structure of atoms in a particular element or compound is__4_.
- 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 ______