Ptypical Scierceapy CAPS $-$ Ciade $10$ QUESTION $4($Start on a new page.$)$ Study the tabie below and answer the questions that follow. $\backslash$table$[[$ELEMENT$/$ION$,\backslash$table$[[$NUMBER OF$],[$PROTONS$]],\backslash$table$[[$NUMBER OF$],[$NEUTRONS$]],\backslash$table$[[$NUMBER OF$],[$ELECTRONS$]]],[$P$,11,12,11],[Q,14,16,14],[R,16,16,18]]4\mathrm{.}1$ Define the term atomic number. $(2)4\mathrm{.}2$ Write down the: $4\mathrm{.}2\mathrm{.}1$ Chemical symbol of element $Q$ using the notation ~~$2x4\mathrm{.}2.$ Element $(P,Q$ or $R)$ that is an alkali metal $4\mathrm{.}2\mathrm{.}3$ Chemical symbol of $R4\mathrm{.}3$ Element $P$ reacts with oxygen to form the compound with the chemical formula $P_{2}O.4\mathrm{.}3\mathrm{.}1$ Predict the chemical formula that element