Thumbs up or down Are these statements true or false? There are 1000 elements All substances are made from atoms Compounds are listed on the periodic table Sulfur is a compound Sodium is an element An element contains only one type of atom

What are atoms, elements and compounds? All pupils will be able to (Baseline): Recognise that elements are made from only one type of particle known as an atom, which is the smallest part of an element. Most pupils will be able to (Further): Identify the first 20 elements in the periodic table and the elements in Groups 1 and 7 by their name and symbol. Some pupils will be able to (Challenge): Justify an elements position on the periodic table relating to its properties.

Introduction Higher / Triple Video Foundation Video Clip

What you need to know: Each entry is known as an “Element” The columns are called “Groups” The rows are called “Periods” The larger of the two numbers in the box is called the “Mass Number” or “Relative Atomic Mass” The smaller of the two numbers in the box is called the “Atomic Number” or the “Proton Number”

Task Sort the different elements in to groups. Write down each group and the property you grouped the elements by. Write a reason for each of you choices. Look at a copy of the periodic table. Use the table and other sources of information to fill in the missing information on your element data cards. Compare the elements in the groups you came up with to the table that scientists around the world have agreed on. Do you notice any links between the groups you made up and where the elements are on the actual periodic table?

The Periodic Table Sulfur is known as schwefel in German and azurfe in Spanish. How might the periodic table be useful?