Q3
3) Elements are made up of atoms.
3.1) What is the approximate radius of an atom? [1 mark]
Tick one box
3.1) What is the approximate radius of an atom? [1 mark]
Tick one box
Figure 4 shows the atoms of five elements.
The letters are not the symbols of these elements.
3.2) Complete the sentence. [1 mark]
All of the elements in Figure 3 are in Group __________________________ of the periodic table.
3.3) Which two atoms in Figure 4 are isotopes of the same element?
Explain your answer fully. [3 marks]
3.4) The halogens are in Group 7 of the periodic table.
Explain the trend in reactivity of the halogens. [6 marks]
(Total for Question 3 = 11 marks)
3.2) Complete the sentence. [1 mark]
All of the elements in Figure 3 are in Group __________________________ of the periodic table.
3.3) Which two atoms in Figure 4 are isotopes of the same element?
Explain your answer fully. [3 marks]
3.4) The halogens are in Group 7 of the periodic table.
Explain the trend in reactivity of the halogens. [6 marks]
(Total for Question 3 = 11 marks)