4 Written questions
3 Multiple choice questions
- the gradual wearing away of a metal element due to a chemical reaction.
- a term used to describe a material that can be pulled out into a long wire.
- a class of elements characterized by physical properties that include shininess, malleability, ductility and conductivity.
3 True/False questions
Malleable → a term used to describe material that can be pounded into shapes.
Particle accelerator → a machine that moves atomic nuclei at higher and higher speeds until they crash into one another, sometimes forming heavier elements.
Reactivity → the ease and speed with which an element combines, or reacts, with other elements and compounds.