Give the number of electrons in the species
No. of electrons in
Number of electrons in
Number of electrons in
Write the complete symbol for the atom with the given atomic number (Z) and atomic number (A).
(i) Z = 17, A = 35
(ii) Z = 92, A = 233
(iii) Z = 4, A = 9.
What is the atomic number and mass number of A3+ ion with 21 electrons and 25 neutrons?
Isotopes of an element have similar chemical properties and isobars have different chemical properties. Explain.