Prize Question #5

What element forms a 2+ ion with 54 electrons?

School Certificate Test Question #4 - Due before Friday's lesson

Select ONE of the scientific advances below, and discuss the choices that need to be considered with respect to using them or not:

1.Using nuclear power rather than fossil fuels to generate electricity.
2. Controlled burning off (reduction burns)
3. Food additives and preservatives in foods and drinks.
4. Plastic shopping bags.

(5 marks)