Vocabulary list

• An atom is the smallest unit of matter.
• The boiling point is the temperature at which a liquid turns into a gas.
• Chromatography is a method for seperating dissolved substances.
• A compound is a substance made up of two or more different elements, chemically joined.
• When something is corrosive, it's a highly reactive substance that causes damage/burns to the skin, eyes.
• Density is how heavy an object is for its volume.
• Distillation is a technique that uses evaporation and condensation to obtain a dissolved substance from a solution.
• Filtration is a practical technique for seperating a solid from a liquid.
• If something is insoluble then it can't be dissolved (in water).
• If something is malleable then it's easily shaped and not brittle
• A mixture contains different substances that are not chemically joined to each other.
• The nucleus is the central and largest part of an object.
• The periodic table organises all discovered elements according to their proton number.
• A property is a characteristic of a substance.
• If a substance is pure then it consists of only one element or one compound.
• If something is soluble then it can be dissolved (in water).
• A solution is a mixture of water plus dissolved substances.
• A toxic substance is a substance that is harmful to living organisms; poisonous.