Chemistry Practice Test – The Periodic Table

The most electronegative element in the periodic table is in ______

A. group 1 period 1        B. group 7, period 3       C. group 7, period 2       D. group 4, period 2

The atomic numbers of five elements represented as A, B, C, D and E are 2, 4, 7, 9 and 11 respectively. State which of the elements belongs to period 3 of the periodic table.

A. D    B. E    C. B   D. A

Four elements X, V, Z, W have atomic numbers of 5, 10, 12 and 14 respectively. Which of these elements is an alkali earth metal?

A. 5  B. 10   C. 12    D. 14

Which of these is true?

A. Atomic size decreases down the group.
B. A noble gas will have high Ionization potential.
C. Atomic radii decrease across the period.
D. Electronegativity decreases across the period.

Alkali metals consist of the following except ______

A. lithium.    
B. potassium.    
C. magnesium.    
D. sodium