4NA Periodic Table Quiz 1

Elements are arranged in order of increasing

• atomic mass.

• proton number.

• size.

• electron shells.

A horizontal row in the Periodic Table is called

• line.

• group.

• row.

• period.

Group I elements are also called

• alkali metals.

• noble gases.

• halogens.

• transition elements.

Where can we find the non-metals in the Periodic Table?

• Left

• Middle

• Right

• Top

From left to right of the Periodic Table, elements become

• more metallic

• less metallic

Group VII elements are also called

Elements in the same group have

• same number of electron shells.

• same number of electrons.

• same number of valence shells.

• same number of valence electrons.

How many electron shells does sodium (Na) have?

• 1

• 2

• 3

• 4

Answer explanation

Take note that sodium is in period 3, not 2!

Which element has 3 valence electrons?

• Potassium (K)

• Calcium (Ca)

• Gallium (Ga)

• Germanium (Ge)

All group II elements form ions with charge of

• +1

• +2

• -1

• -2