Chemistry Skills Sheet 1 7 June

1. Write the formulae for Combustion of sodium in oxygen

2. What is the ratio of molecules in this reaction

3. What is the mole ratio of this reaction

4. How many moles are used in 5g or sodium

5. How many molecules are produced

6. What is the total number of atoms in the product

7. Construct Lewis dot diagrams for

a) CBr4 b) NF3 c) Br2O

8 Identify what is wrong with

 9. carbon Tetrachloride

a) what is the electron Configuration of Carbon

b) do all of the second shell form pairs

c) construct a lewis dot diagram

d) shat shape  of the molecule

10 Repeat 9 for Ammonia, and Water