Across
- 3. nearly incompressible fluid that conforms to the shape of its container
- 6. force s an attractive force that arises between the positive components (or protons) of one molecule and the negative components
- 11. group of two or more atoms held together by attractive forces known as chemical bonds
- 13. process of separating the components or substances from a liquid mixture
- 16. smallest unit into which matter can be divided without the release of electrically charged particles
- 18. positively charged center of the atom consisting of protons and neutrons.
- 21. neutral charge
- 22. laboratory technique for the separation of a mixture into its components
Down
- 1. molecules in a solid are closely packed together and contain the least amount of kinetic energy
- 2. physical separation process that separates solid matter
- 4. two or more types of atoms that have the same atomic number
- 5. substance form of matter having the constant chemical composition and characteristic properties.
- 7. any liquid or gas or generally any material that cannot sustain a tangential, or shearing, force when at rest and that undergoes a continuous change in shape when subjected to such stress.
- 8. pure gas may be made up of individual atoms, elemental molecules made from one type of atom, or compound molecules made from a variety of atoms.
- 9. ions that are negatively charged
- 10. positive charge
- 12. is a chemical substance composed of many identical molecules containing atoms
- 14. negative charge
- 15. Number total number of protons and neutrons in an Ion atomic nucleus atom or molecule with a net electrical charge
- 17. abundance the percentage amount of all naturally occurring isotopes of an element
- 19. positively charged ion
- 20. Number the number of protons in the nucleus of an atom