| Question | Answer |
| What is the least reactive alkali metal? | Lithium
|
What shape of molecule will water have? | Angular
| What is meant by the term ion? | Charged Particles
| Which group in the Periodic table is the least reactive? | Noble gases
| What is the electron arrangement of oxygen? (This is worth 2 marks) | 2,6
| How can the number of neutrons in an atom be worked out? | Mass number - Atomic number
| What information is known about at proton? | Inside the nucleus, mass of 1 and positive charge.
| What type of bonding results in a lattice structure? | Ionic
| How do covalently bonded elements achieve a full outer shell? | They share their unpaired outer electrons
| How could a scientist confuse elements in the Periodic table? | Based on their chemical and physical properties.
| Why are atoms always neutral? | They have equal numbers of protons and electrons
| A subatomic particle with a mass of 0, a negative charge which is found in the shells is known as what? | An electron
| What information is included in the nuclide notation of an element? | Symbol, atomic number and mass number
| What does the atomic number tell us about an atom? | The number of protons in an element
| 15.Which element produces a blue/green coloured flame? | Copper |
