Atomic structure and the Periodic Table — Chemistry 0620 IGCSE Question & Worked Solution

(a(i))[1]

From the Periodic Table supplied, identify one element whose atoms contain exactly 9 protons.

(a(ii))[1]

From the Periodic Table supplied, identify one element whose atoms have 0 neutrons.

(a(iii))[1]

From the Periodic Table supplied, identify one element whose atoms have exactly 23 electrons.

(a(iv))[1]

From the Periodic Table supplied, identify one element whose atoms have an electronic structure of 2,8,6.

(a(v))[1]

From the Periodic Table supplied, identify one element that forms ions with a 3- charge containing 18 electrons.

(a(vi))[1]

From the Periodic Table supplied, identify one element that forms ions with a 2+ charge containing 10 electrons.

(a(vii))[1]

From the Periodic Table supplied, identify one element whose relative atomic mass shows that it has at least two isotopes.

(b(i))[1]

State which metal in the first 36 elements is the Group I element that reacts most vigorously with water.

(b(ii))[1]

State which metal in the first 36 elements reacts with air to make lime.

(c(i))[1]

Name the element.

(c(ii))[2]

Write the overall chemical equation for the reaction that happens when the element in (c)(i) reacts in a fuel cell.

Atomic structure and the Periodic Table — practice question