Skip to content

Course home

1.2 The periodic table

1.2 The periodic table

EasyMedium
1234567891011121314
Question 3
35%

In the 19th century, Dmitri Mendeleev organized the elements into an early version of the periodic table.

a.

Cobalt (Co\text{Co}Co) has an atomic weight of 58.9, and nickel (Ni\text{Ni}Ni) has an atomic weight of 58.7. Explain why Mendeleev placed cobalt before nickel in his periodic table.

[2]
b.

Mendeleev left several gaps in his periodic table. Explain why his periodic table became widely accepted by the scientific community.

[2]
c.

In the modern periodic table, elements are arranged in a different order compared to Mendeleev's table. In order of what property are elements arranged in the modern periodic table?

[1]
Markscheme

1.2 The periodic table Questions

  1. GCSE
  2. /Chemistry
  3. /1.2 The periodic table

22 exam-style questions on AQA GCSE Chemistry 1.2 The periodic table, covering 1.2.1 The periodic table, 1.2.2 Development of the periodic table, 1.2.3 Metals and non-metals, 1.2.4 Group 0, 1.2.5 Group 1, and 1.2.6 Group 7. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank