Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table
Atomic structure and the Periodic Table — practice question
Table 1.1 lists the electronic configurations of some atoms and ions, A to G.
Table 1.1
A: 2,5
B: 2,8
C: 2,8,2
D: 2,8,4
E: 2,8,5
F: 2,8,6
G: 2,8,18,7
Use A to G to answer the questions below. Any letter may be used once, more than once, or not at all.
(a)[1]
State which of A to G could be:
(a) a noble gas atom
(b)[1]
(b) an atom from an element in Group VI
(c)[1]
(c) an atom with atomic number 14
(d)[1]
(d) atoms belonging to the same group
(e)[1]
(e) an atom of a halogen
(f)[1]
(f) an atom of an element that is a good conductor of electricity
(g)[1]
(g) a stable ion formed by a Group V element
(h)[1]
(h) an atom that forms an ion carrying a $2-$ charge.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “B is the correct choice.” …