SJA S3 Chemistry - The Periodic Table

The symbol for Calcium is

• C

• Ca

• Co

• Cl

Elements are placed in the periodic table in order of increasing __________

• atomic number

• mass number

• weight

• reactivity

What is an element?

• a substance that contains only one atom

• a substance that contains only one type of atom

• a substance that contains only 2 atoms

• a substance that contains only 2 types of atom

A column in a periodic table is known as a

• period

• row

• group

• shell

A row in a periodic table is known as a

• period

• shell

• group

• column

Which of these elements is both a non-metal and a liquid at room temperature?

• Boron

• Bromine

• Mercury

• Aluminium

Which of these elements is a metal and a solid at room temperature?

• Boron

• Bromine

• Mercury

• Aluminium

What group in the periodic table is known as a very reactive group of metals?

• alkali metals

• noble gases

• halogens

• none of these

What group in the periodic table is known to be unreactive?

• alkali metals

• noble gases

• halogens

• none of these

Which group in the periodic table would you find the halogens?

• 1

• 2

• 7

• 8