1. An Atom is ……………. An Element is …………... A Compound is ………….

2. An Atom is ……………. A tiny particle that cannot be divided An Element is …………... A substance made of only one type of atom. There are 110 different types of atom (element) A Compound is …………. A substance made of more than one type of atom

3. What are the names of these elements? C O Na Li Fe Mg Pb Ca F Xe Ti K Ba B Si P Cl Be

4. On the periodic table you have been provided with Colour in the metals and non metals different colours Label the Alkali metals (Group 1) Label the Halgogens (Group 7) Label the Nobel gases (Group 0) Label the transistion metals

5. Common Chemical names and formulae Which are elements and which are compounds – (Explain why) Hydrochloric Acid HCl Hydrogen H 2 Helium He Sulphuric Acid H 2 SO 4 Nitric Acid HNO 3 Salt NaCl Extension:- 1)What are the rules about Capital letters in the chemical symbols? 2)What is the difference between CO and Co 3)Why is it important to use capital letters in the right place when writing chemical formulae Carbon Dioxide CO 2 Oxygen O 2 Water H 2 O Sodium Hydroxide NaOH Chlorine Cl 2 Calcium Carbonate CaCO 3