Answer the following with reference to the nuclear quantities atomic number

CHEMISTRY · Multi-part · A Level · Chemistry · Atomic structure · Atomic structure

Problem

Z

, mass number

A

and neutron number

N

. (i) Define (a) isotopes, (b) isobars, (c) isotones. (ii) The four nuclides

^{16}_{8}\!\text{O}

^{18}_{8}\!\text{O}

^{14}_{7}\!\text{N}

and

^{14}_{6}\!\text{C}

are given. List all pairs that belong to each of the three categories defined in part (i). Give a brief reason in each case referring explicitly to

Z

A

N

as appropriate.