Year 1o chemistry revision quiz Round 1 Atoms

Question 1 Write the symbols for the following elements Copper Sulfur Sodium iron

Question 2 Where would you find the elements arranged in order of their atomic number?

Question 3 What does the atomic number of an atom tell us?

Question 4 Subatomic particles are present in atoms: Name each of them and give their charge

Question 5 i)Draw the orbital diagram for a carbon atom. Carbon has an atomic number of 6 ii)What is the overall charge on the atom? iii) Write the electron arrangement for carbon

Year 1o chemistry revision quiz Round 1 Atoms -Answers

Question 1 Write the symbols for the following elements Copper Cu Sulfur S Sodium Na Iron Fe

Question 2 On the Periodic Table Where would you find the elements arranged in order of their atomic number? On the Periodic Table

Question 3 How many protons an atom has. What does the atomic number of an atom tell us? How many protons an atom has.

Question 4 Subatomic particles are present in atoms: Name each of them and give their charge Protons positive charge Neutrons neutral charge Electrons negative charge

Question 5 i)Draw the orbital diagram for a carbon atom. Carbon has an atomic number of 6 ii)What is the overall charge on the atom? Neutral/no charge iii) Write the electron arrangement for carbon 2,4

Year 1o chemistry revision quiz Round 2 Ions

Question 1 What is the definition of an ion?

Question 2 How do positive ions form? How do negative ions form?

Question 3 What is formed when positive and negative ions bond (stick) together?

Question 4 Name the following ions: Mg 2+ Na+ Al3+ Pb2+

Question 5 Now name these ions OH- CO32-

Year 1o chemistry revision quiz Round 2 Ions- Answers

Question 1 What is the definition of an ion? An atom or group of atoms that have gained or lost electrons

Question 2 How do positive ions form? In a chemical reaction when an atom LOSES electrons b) How do negative ions form? In a chemical reaction when an atom GAINS electrons

Question 3 An ionic compound What is formed when positive and negative ions bond (stick) together? An ionic compound

Question 4 Name the following ions: Mg 2+ magnesium ion Na+ sodium ion Al3+ aluminium ion Pb2+ lead ion

Question 5 Now name these ions O2- oxide ion S2- sulfide ion OH- hydroxide ion CO32- carbonate ion

Year 1o chemistry revision quiz Round 3 -Chemical Formulae & gas tests

Question 1 Write the formula for a) Sodium chloride b) Potassium oxide

Question 2 Write the formula for: Lead chloride b) Zinc sulfide

Question 3 Write the formula for: Aluminium oxide Calcium sulfate

Question 4 How could you identify a colourless, odourless gas as hydrogen?

Question 5 Using a splint, how could you distinguish between oxygen gas and carbon dioxide gas?

Year 1o chemistry revision quiz Round 3 -Chemical Formulae & gas tests- ANSWERS

Question 1 Write the formula for Sodium chloride NaCl b) Potassium oxide K2O

Question 2 Write the formula for: Lead chloride PbCl2 Zinc sulfide ZnS

Question 3 Write the formula for: Aluminium oxide Al2O3 b) Calcium sulfate CaSO4

Question 4 How could you identify a colourless, odourless gas as hydrogen? Pops in a flame

Question 5 Using a splint, how could you distinguish between oxygen gas and carbon dioxide gas? Carbon dioxide puts the flame out but oxygen relights a glowing splint

Year 1o chemistry revision quiz Round 4 –Acids and Bases

Question 1 What colour does red and blue litmus go in: An acid A base

Question 2 What type of substance has a pH of: Less than 7 7 Greater than 7

Question 3 Water has a pH of 7. What colour does Universal indicator solution go in water?

Question 4 What reaction occurs between an acid and a base?

Question 5 Write the general equation for a reaction between and acid and a base

Year 1o chemistry revision quiz Round 4 –Acids and Bases-ANSWERS

Question 1 What colour does red and blue litmus go in: An acid RED A base BLUE

Question 2 What type of substance has a pH of: Less than 7 ACID 7 NEUTRAL Greater than 7 BASE

Question 3 Water has a pH of 7. What colour does Universal indicator solution go in water? GREEN

Question 4 What reaction occurs between an acid and a base? NEUTRALISATION

Question 5 Write the general equation for a reaction between an acid and a base Acid + Base Salt + water