Periodic table: groups, periods and blocks

Question 1 of 10

Define first ionisation energy. Explain why the first ionisation energy of sodium is lower than that of magnesium, and why that of potassium is lower than that of sodium.

Question 2 of 10

Group 1 elements are called

Question 3 of 10

In which period of the periodic table is silicon (Z = 14)?

Question 4 of 10

First ionisation energy generally increases across a period.

Question 5 of 10

Elements whose outermost electron enters a d subshell belong to the

Question 6 of 10

In which period of the periodic table is neon (Z = 10)?

Question 7 of 10

Oxygen (Z = 8) is in period ___ of the periodic table.

Question 8 of 10

Metallic character across a period

Question 9 of 10

Compare the elements in period 3 in terms of (a) the type of oxide they form and (b) their electrical conductivity. Use sodium, aluminium and sulphur as examples.

Question 10 of 10

Atomic radius increases down a group.