An atom has mass number A and atomic num...

An atom has mass number A and atomic number Z. How many neutrons are present in its nucleus ?

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MBD-STRCTURE OF ATOM-Example

An atom has mass number A and atomic number Z.How many protons are pre...
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An atom has mass number A and atomic number Z.) How many electrons are...
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An atom has mass number A and atomic number Z. How many neutrons are p...
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State three ways by which a proton differs from an electron.
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What are isotopes ? Give two uses of isotopes. Name the isotopes of hy...
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Explain why elements have fractional atomic masses ?
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What are isobars ? Give examples
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Sulphur has an atomic number 16 and a mass of 32. State the number of ...
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Write down the electronic configuration of the following : "13^27X
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Write down the electronic configuration of the following : "17^35X
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Give the important properties or characteristics of isotopes.
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An atom of the element is represented as "23^61X ? What does the numer...
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An atom of the element is represented as "23^61X ? What does the numer...
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An atom of the element is represented as "23^61X ? What is the number ...
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The atom of an element is made up of 4 protons, 5 neutrons and 4 elect...
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Calculate the number of neutrons in the following elements :"1^3H
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Calculate the number of neutrons in the following elements :"17^37Cl
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Calculate the number of neutrons in the following elements :"18^40Ar
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Give two conditions under which cathode rays are produced.
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The electronic configuration of P (Z=15) is 2, 8, 5, why is the valen...
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