Describe the organisation of the periodic table into periods and groups, explain the contribution of Mendeleev, and use the table to identify metals, non-metals, and predict patterns in reactivity
A first look
This shelf is still being planted — the questions are being written and checked. Come back soon. A Skill needs at least 5 checked questions before it opens here.
Question 1 of 3
Which of the following best explains why elements in the same group (vertical column) of the periodic table have similar chemical properties?
Question 2 of 3
Which statement best explains a basic principle of the Mendeleev periodic table?
Question 3 of 3
Which statement correctly explains why the periodic table is organized into horizontal periods and vertical groups?
Be first to know when it opens
A free account shows every Skill on the map as it opens — and practises the 26 Matter & Materials Skills that are ready today. Every student account needs a parent's email first.