ADVANCED CHEMISTRY PETA 2.3

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Across
  1. 3. The Avogadro’s number was proposed by the Italian Physicist named _____
  2. 7. It is the true or correct formula of the compound.
  3. 8. refers as the force that gravity exerts on an object.
  4. 11. The Percentage of composition of a compound is computed by using the mathematical formula (mass of element/molar mass of compound x ________%) where ________ is the multiplier to convert the quotient into percentage.
  5. 12. the unit used to determine the amount of substance of matter
  6. 13. known as a measure of the quantity of matter
  7. 14. 6.022 x 10 23 is known as _____________
  8. 15. Formulas computed from composition data or called the “simplest formula”
  9. 17. It is known as “systematic method”
  10. 18. The standard unit of volume in International System
  11. 20. It is known as factor-label method
Down
  1. 1. In step 1 of calculating the molar mass of a compound you must write the ____________ of the given compound in the problem.
  2. 2. The step 2 of the calculation of empirical formula involves determining the ________ of atoms by dividing each number of moles by the smallest mole value.
  3. 4. It is the term used to refer the zero point on Kelvin Scale or -273 °C
  4. 5. It is standard unit of temperature in International System
  5. 6. Defined as the percentage by mass of each element present in compound or chemistry product.
  6. 9. This system is usually used in business and industry in the United States but not in scientific works.
  7. 10. It is the atomic mass of an element or sum of the atomic masses of all element present in compound that is expressed in unit grams
  8. 16. The Swedish astronomer that named the Celsius scale (°C)
  9. 19. It is the ratio of the mass of a substance to the volume occupied by the mass of an object.