Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached.

${}_1{P}^1,{}_0{n}^1,{}_{-1}{e}^0$

Q.

Write the full form of IUPAC. Name the elements represented by the following symbols :

Au, Pb, Sn, Hg.

Q. Question 2 (v)
Write down the names of compounds represented by the following formulae:
$\left(v\right)CaC{O}_3$

Q. 1)Write down IUPAC name and symbol of the following atomic number: 111,105,102,115?
2)Why do Zr and Hf have similar radius?

Q. Write down Einstein's mass-energy equivalence relation, explaining the meaning of each symbol used in it.

Q. Three different atoms of oxygen are represented as:
${}_8{}^{16}\mathrm{O},{}_8{}^{17}\mathrm{O}$ and ​${}_8{}^{18}\mathrm{O}$
(a) What do the subscripts (lower figures) and superscripts (upper figures) represent?
(b) What factor is responsible for the change in the superscripts 16, 17 and 18, though the element is the same?
(c) What is the usual name for such atoms of an element?
(d) Give the nuclear composition of ${}_8{}^{18}\mathrm{O}$​.