Across
- 1. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- 6. carbohydrate/ Carbohydrates such as starch and cellulose that contain more than ten linked glucose units.
- 8. a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
- 10. The movement of a chemical substance through a gradient of concentration or electrical potential in the direction opposite to normal diffusion, requiring the expenditure of energy
- 11. the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth
- 12. bond a mutual attraction between two atoms resulting from a redistribution of their outer electrons
Down
- 2. of, relating to, or derived from living matter.
- 3. the simplest unit of a chemical compound that can exist, consisting of two or more atoms held together by chemical bonds
- 4. a thing that is composed of two or more separate elements; a mixture
- 5. the chemical element of atomic number 6, a nonmetal that has two main forms (diamond and graphite) and that also occurs in impure form in charcoal, soot, and coal.
- 7. of or relating to the interrelation of electric currents or fields and magnetic fields.
- 9. the strength and vitality required for sustained physical or mental activity