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1.

The figure shows the electron arrangement of an atom in its main energy levels. Which option is correct?

element C (Z = 6), period 4, group 2

element C (Z = 6), period 3, group 4

element C (Z = 6), period 2, group 14

element N (Z = 7), period 3, group 4

2.

The figure shows the electron arrangement of an atom in its main energy levels. Which option is correct?

element Ar (Z = 18), period 4, group 1

element Ca (Z = 20), period 1, group 4

element K (Z = 19), period 4, group 1

element Ar (Z = 18), period 5, group 1

3.

The figure shows the electron arrangement of an atom in its main energy levels. Which option is correct?

element S (Z = 16), period 7, group 3

element Cl (Z = 17), period 3, group 17

element S (Z = 16), period 3, group 17

element Ar (Z = 18), period 7, group 3

4.

The figure shows the electron arrangement of an atom in its main energy levels. Which option is correct?

element Ne (Z = 10), period 3, group 7

element Ne (Z = 10), period 7, group 2

element F (Z = 9), period 3, group 7

element F (Z = 9), period 2, group 17

5.

The figure shows the electron arrangement of an atom in its main energy levels. Which option is correct?

element S (Z = 16), period 6, group 3

element S (Z = 16), period 3, group 16

element Cl (Z = 17), period 4, group 6

element P (Z = 15), period 6, group 3

Chapter 2 — Atomic Structure — Picture questions (exam style)