The Ultimate Periodic Table Quiz

The number of protons in the elements

Alkali metals

1st ionisation energy

<p>The main trends shown by elements across periods and down groups in the periodic table include atomic radii, valencies, ionic radii, 1st ionisation energy, and electronegativities.</p> Signup and view all the answers

<p>The structure of the periodic table is based on the atomic number and the properties of the elements.</p> Signup and view all the answers

<p>Groups 1, 2, 13-18 and period 3 are used as examples to exemplify the trends in the periodic table.</p> Signup and view all the answers

<p>The time it takes for half the atoms in a radioactive sample to decay</p> Signup and view all the answers

<p>Heterogenous mixtures have visibly different parts, while homogenous mixtures have uniform composition</p> Signup and view all the answers

<p>Energy output, renewability, and uses</p> Signup and view all the answers