The atomic number of an element represents

  • A
    Number of neutrons in the nucleus
  • B
    Number of protons in the nucleus
  • C
    Atomic weight of element
  • D
    Valency of element

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Similar Questions

Match the following species with the correct number of electrons present in them:
Species Number of Electrons
$(i) Be^{2+}$ $(a) 0$
$(ii) H^{+}$ $(b) 10$
$(iii) Na^{+}$ $(c) 2$
$(iv) Mg^{+}$ $(d) 11$

The atomic number of an element is derived from

The expression $Ze$ gives :

How many neutrons and protons are there in the following nuclei?
$_{6}^{13}C, _{8}^{16}O, _{12}^{24}Mg, _{26}^{56}Fe, _{38}^{88}Sr$

Identify the isoelectronic species from the following groups.

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