S3 Periodic Table and Atoms Revision

Match the following terms to their definition

• Element

• More than one type of atom sharing the same space but not joined together

• Mixture

• Made up of only one type of atom

• Compound

• Two or more atoms chemically bonded together

Label where we find metals and non-metals on the periodic table

a

b

Non-metals

Metals

Where can the alkali metals be found?

Where can the halogens be found?

The elements are arranged in the periodic table depending on their chemical and physical properties. A column is called a ​ (a)   and is a family of elements with ​ (b)  

properties.

• group
• row
• period
• similar
• different

Which element has the atomic number 79?

• Silver (Ag)
• Gold (Au)
• Iron (Fe)
• Copper (Cu)

What is the atomic number of Iodine?

• 61
• 57
• 49
• 53

What number indicates the nucleus?

• 1
• 2
• 3
• 4

Oxygen’s atomic number is 8. This means that an oxygen atom must have

• 8 electrons
• 8 protons
• 8 neutrons
• a mass number of 8

Which two particles make up the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Molecules and Compounds
• Neutrons and Electrons