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Fill in the blanks: 1. Atoms of different elements having ……… mass number, but ………. atomic numbers are called isobars. 2. Atoms of different elements having same number of ………. are called isotones. 3. Atoms of one element can be transmuted into atoms of other element by …………. 4. The sum of the numbers of protons and neutrons of an atom is called its ………… 5. Relative atomic mass is otherwise known as ………… 6. The average atomic mass of hydrogen is ……….. amu. 7. If a molecule is made of similar kind of atoms, then it is called ……….. atomic molecule. 8. The number of atoms present in a molecule is called its …………. 9. One mole of any gas occupies ………… ml at S.T.P 10. Atomicity of phosphorous is ………… |
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Answer» 1. same, different 2. neutrons 3. artificial transmutation 4. mass number 5. standard atomic weight 6. 1.008 7. homo 8. atomicity 9. 22, 400 10. four |
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