Hadrons are made up from quarks.

Which combination of quarks could make up a meson?

(a) $\mathrm{dd}\overline{\mathrm{s}}$

(b) $\mathrm{ssc}$

(c) $\mathrm{s}\overline{\mathrm{b}}$

(d) $\mathrm{sc}$

An isotope of carbon ${}_6{}^{14}\mathrm{C}$ emits a ${\beta }^{-}$ -particle and changes into an isotope of nitrogen $\left(N\right)$.

What are ${\beta }^{-}$ -particles?

An isotope of carbon ${}_6{}^{14}\mathrm{C}$ emits a ${\beta }^{-}$ -particle and changes into an isotope of nitrogen $\left(N\right)$.

Write a nuclear decay equation for the decay.

An isotope of carbon ${}_6{}^{14}\mathrm{C}$ emits a ${\beta }^{-}$ -particle and changes into an isotope of nitrogen $\left(N\right)$.

Draw a graph with the $y$ -axis representing nucleon numbers between $10$ and $16$ and the $\mathrm{x}$ -axis representing proton numbers between $4$ and $10$. On your graph, mark The isotope ${}_6{}^{14}\mathrm{C}$.