Adv Chem

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Across
  1. 1. An English unit of length, it is equal to 3 feet.
  2. 4. a system of measurement that succeeded the decimalised system based on the metre
  3. 9. Usually used as a dressing for salads, scientifically known as ethanoic/acetic acid, and has a chemical formula of CH3COOH
  4. 11. The ________ system is defined as the measurement system used in many countries including the United States using feet, pounds, and seconds
  5. 13. This formula gives the smallest whole number ratio of the atoms that are present in the compound.
  6. 14. It is a prefix attached to a base unit. Its decimal equivalent is 0.001.
  7. 15. The chemical element with an atomic number of 6, and is widely distributed forming organic compounds when combined with hydrogen, oxygen, etc.
  8. 17. Is a measure of the quantity on how long an object is from one end to another.
  9. 18. An English unit of mass and weight, it is equal to 454 grams (g).
  10. 19. Temperature scale named after a Swedish astronomer.
  11. 20. A Metric unit of mass and weight, it is equal to 1000 grams (g).
Down
  1. 2. He proposed that the number of units in one mole of any substance is equal to 6.022 X 10^23 atoms, molecules, and ions
  2. 3. Is an organic chemical compound. It is a simple alcohol with the chemical formula C ₂H ₆O.
  3. 5. Is a known as “systematic method” of converting units that are related to each other.
  4. 6. Is the mass of a single atom of a chemical element.
  5. 7. It is the ratio of the mass of a substance to the volume occupied by the mass of an object.
  6. 8. Temperature scale named after a German Physicist who invented the alcohol thermometer.
  7. 10. A scale of temperature beginning at absolute zero (-273.15°C or -459.67°F)
  8. 12. A unit intended to express the amount of a substance. It is said to be a unit to determine the amount of substance of matter.
  9. 16. Avogadro's 1st name