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