Periodic Table Quiz

The horizontal rows of the periodic table are called:

• Periods.

• Families.

• Groups.

• Isotopes.

The elements in a vertical column of the periodic table have chemical characteristics that are

• exactly the same

• Similar

• Different

• Exactly opposite

The nucleus of the atom contains:

• only protons

• electrons and neutrons

• electrons and protons

• neutrons and protons

The atomic number of Silicon is 14. This means that Silicon has

• 14 valence electrons

• 14 neutrons

• 14 protons

• 7 neutrons and 7 protons

Halogens, such as Fluorine and Chlorine, are located in which group on the periodic table?

• 1

• 5

• 18

• 17

Which element has an approximate atomic mass of 24?

• Carbon

• Magnesium

• Silicon

• Boron

Which element is represented by C?

• Cobalt

• Copper

• Calcium

• Carbon

The element boron is an example of:

• an alkali metal

• a halogen

• a metalloid

• a noble gas

The elements helium and neon are in group 18 and both classified as:

• alkali metals

• alkaline earth metals

• halogens

• noble gases

An atom of an element belonging to the noble gas family has:

• one outer shell electron

• Two outer shell electrons

• All outer shell electrons but one

• All outer shell electrons