1. A substance made up of the same type of element or particle.
2. A mixture is a substance made of different types of particles, combined physically.
3. A nanoparticle has a diameter less than one billionth of a meter.
4. A chemical symbol is a letter (or letters) used to represent a specific chemical element.
5. A formula is a collection of symbols, numbers, and atoms that represent a compound or an element.
6. The physical properties of a substance can be observed or examined without changing the composition of the substance.
7. A pure substance is made of only one type of element or atom.
8. The lustre of a metal is a shininess.
9. The ability to be hammered or bent into different shapes is malleable.
Parent Tip: Review the logic above to help your child master the concept of element or compound worksheet.