Basic-Chemistry Related Question Answers

1. Isotopes differ in the number of






2. The branch of chemistry showing quantitative relationship between reactants and products is






3. The value of molar volume is






4. Atom was a name given by






5. Law of definite proportion is obeyed in






6. Isotopes of calcium are






7. The number of isotopes occupied by Palladium is






8. The empirical formula of benzene is similar to






9. The units by which hydrogen atom is lighter than haemoglobin is






10. The properties in whichisotopes differ are






11. The number of isotopes of tin is






12. A negative ion is called as






13. C3H4O3 is empirical formula for vitamin






14. The unstable isotopes are produced by artificial











15. Aluminium has charge of positive






16. John Dalton evidenced the existence of atoms in











17. Relative number of ions in mass spectrometer is plotted as






18. Ascorbic acid is another name for vitamin






19. Isotopes have same






20. A macromolecule found in blood is






21. Metals usually form






22. The molecules expressed by formula unit mass are






23. In ionization chamber vapors are bombarded with fast moving






24. Phenomenon of isotopy was discovered by






25. The masses of atoms or molecules expressed in grams is known as






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