Across
- 3. The smallest unit of matter is _.
- 5. Neutrons and Protons are found in an atom's _.
- 9. In a solution the _ is the dissolving agent.
- 11. Two or more atoms held together by covalent bonds form a __.
- 13. A _ is a positive sub-particle from the nucleus of an atom
- 17. When 2 ions of opposite charges attract each other, an _ bond forms
- 19. A_ is a subatomic particle with no electrical charge
- 20. _ is anything that occupies space and has mass
- 21. Variant forms of an element with different numbers of neutrons are called _.
- 22. An _ is a charged atom or molecule
Down
- 1. Weak bonds between water molecules are called _ bonds.
- 2. Electrons are shared unevenly in a _ covalent bond.
- 4. There are 92 naturally occurring _.
- 6. A _ accepts H+ ions and removes them from the solution.
- 7. A _ contains 2 or more elements in a fixed ratio.
- 8. A _ is a liquid containing a uniforming mixture of substances.
- 10. The cohesion of water molecules is responsible for surface _.
- 12. A _ bond is formed when 2 nonmetal atoms share electrons.
- 14. Acid__ is caused by pollutants that combine with water in the air.
- 15. An_ is a subatomic particle that circles an atom nucleus.
- 16. An _ donates H+ ions to solutions.
- 18. is the tendency of water to molecules to stick together.