Is matter around as pure 5 long Flashcards
What is a Chemical change
During this process one substance reacts with another to undergo a change in chemical composition. This brings change to the chemical properties of matter and we get new substances. A chemical change is also called a chemical reaction
What is a suspension ?
A suspension is a heterogeneous mixture in which the solute particles do not dissolve but remain suspended throughout the bulk of the medium. Particles of a suspension are visible to the naked eye
Who is Antoine Laurent Lavoisier what did he do ?
Antoine Laurent Lavoisier (1743-94), a French chemist, was the first to establish an experimentally useful definition of an element. He defined an element as a basic form of matter that cannot be broken down into simpler substances by chemical reactions.
