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In the atom of an element 7 electrons ar...

In the atom of an element 7 electrons are present in the M shell. : There are 18 neutrons in the nucleus of atom:
a)Write down the electronic configuration of the given atom.
b) What is its.mass number?
c). How many electrons are present in it.

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V PUBLICATION-Structure of Atom-QUESTION BANK
  1. Complete the table.

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  2. Draw the Bohr model of argon atom. (Atomic numberAr=18 )

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  3. Give reason for the following. a) atoms are electrically, neutral. b)...

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  4. In the atom of an element 7 electrons are present in the M shell. : Th...

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  5. An atom of aluminium (Al) has 13 electrons and 14 neutrons in it. a) ...

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  6. Some details of the atoms X and Y are given below. a) Find the mass nu...

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  7. Atomic number of an atom Z=17, A=35. a) Find the number of protons, ...

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  8. Symbols (not real symbols) of some.atoms are given. underset(8) overs...

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  9. True or false? . a) All particles in the atom have charge. b) Elect...

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  10. Look at their properties in the table. Try to fill in the blanks.

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  11. Some questions related to atoms are given below. Choose correct word f...

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  12. An element is represented as follows (Symbol is not real) underset(13...

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  13. The mass number of an element is 23 and its atomic number is 11 a) Fi...

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  14. An atom has three shells. If there are 4 electröns in the third shell,...

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  15. The atomic number of an element is 15 .its mass number is31. Write the...

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  16. Complete the table given below.

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  17. Fill suitably.

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  18. Atoms of elements are made up mainly of protons, electrons and neutron...

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  19. Choose the pairs of isotopes from the following. Symbols are. not re...

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  20. Match the following.

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