Year 7+8:Periodic Table Development

What name is given to the columns on the periodic table?

• Groups

• Periods

• Blocks

• Elements

What name is given to the rows on the periodic table?

• Groups

• Periods

• Blocks

• Elements

In the development of the periodic table, who had the idea for grouping elements into threes or "Triads"?

• Mendeleev

• Newlands

• Döbereiner

• Einstein

In the development of the periodic table, who had the idea that elements repeated every 8 elements, like musical notes?

• Mendeleev

• Newlands

• Döbereiner

• Einstein

In the development of the periodic table, who had the idea that gaps should be left for undiscovered elements?

• Mendeleev

• Newlands

• Döbereiner

• Einstein

How many elements are there on the periodic table today?

• 50

• 79

• 102

• 118

The majority of elements on the periodic table are what type of element?

• Metals

• Non-metals

• Gases

• Liquids

What is the first element on the periodic table?

• Hydrogen

• Carbon

• Oxygen

• Helium

How are the elements in the periodic table ordered?

• Increasing atomic number

• Increasing mass number

• Increasing relative atomic mass

• Increasing density

What does the "staircase" on the right side of the periodic table separate?

• Metals and non-metals

• Solids and gases

• Reactive and unreactive elements

• Elements and compounds