Chemistry Crossword

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Across
  1. 3. Water, Air, and Saltwater are forms of _______________ __________. Their chemical compositions and physical appearance are constant throughout.
  2. 5. -When I want to dye my hair, I use bleach. It is made of one sodium atom, one chlorine atom, and one oxygen atom. Because it contains two or more atoms it is a ___________
  3. 10. The __________ _______ of a solid such as silver is 961.8 °C. This temperature is at which when silver turns from a solid to a liquid.
  4. 11. The melting of solid sulfur into liquid sulfur is a _________ _________ because although the chemical compositions are the same as before, the state change does cause a color change.
  5. 14. To find the ________ of iron, you need to divide the mass by the volume of iron.
  6. 15. When a metal such as Iron corrodes, it is because there is a ___________ ________ in the metal when it contacts moisture alongside oxygen, which causes an oxidization process involving a loss of electrons.
  7. 16. substance Compounds such as sodium chloride and an element such as sulfur are forms of matter with constant chemical compositions and are inseparable without breaking chemical bonds. These compounds and elements are known as _____ ___________.
Down
  1. 1. A substance's ability to deform under pressure is a substance's ______________. Examples of a substance as such include gold, iron, aluminum, copper, silver, and lead.
  2. 2. When stirred into water, different compounds such as sodium chloride have different ____________.
  3. 4. My sink faucet is made of copper. Despite being beside the window, and receiving plenty of oxygen, it never ___________ because copper contains too little iron.
  4. 6. Mercury and water are not the only substances capable of existing in three distinct _______ of matter. In fact, all elements, such as mercury, exist in solid, liquid, or gas forms.
  5. 7. Each substance has a ___________ ___________. This shows the temperature at which a substance goes from liquid to gas. Although every substance has a boiling point, the temperature differs. The transition state for Mercury is 356.7 °C, while the transition state for copper is 2,562 °C. While both mercury and copper are metals, their transition states depend very much on their chemical compositions.
  6. 8. A material made up of two or more chemical substances that are not chemically combined. Examples would be sugar and salt or sand and water.
  7. 9. Sliver has the highest _______________ of all metals, ranking at the top with the other metals competing against it. This shows the measure of how fast heat or electricity can pass through a material.
  8. 12. mixture A banana has potassium, phosphorus, magnesium, and sodium. If you were to peel one, you would find that it does not all look the same because it is a ______________ __________.
  9. 13. Pure substances that can be seen on the periodic table. These substances cannot be decomposed into simpler substances by normal chemical processes. Examples of such would be Helium, Nitrogen, Boron etc.