Atoms And Elements Flashcards
What Is A Physical Property?
The characteristics of a substance that you can be observed without changing chemical composition
What Is A Chemical Property?
How a substance reacts when in contact with another substance
What Is A Physical Change?
Size, shape, state, or appearance changes. The chemical composition of that substance stays the same
What Is A Chemical Change?
Particles are different there is a change in chemical composition you will know if it is a chemical change if there is a reaction
What Is A Atom?
Basic particles of chemical elements atoms hold neucleus protons and neutrons
What are subatomic particles?
They are components that make up an atom including protons neutrons and electrons
What is a heterogeneous mixture?
A mixture of two or more substances not dissolved
What is a element?
A pure substance made up of only one type of atom
What is a compound?
Two or more elements combined together the two main types of compound elements are ionic and covalent/molecular
What is a solution?
A mixture in which separate parts are not visible and will not separate if left alone
What is a mechanical mixture?
Mixture where different substances are visible and will not separate if left alone
What is a colloid?
A mixture where very small particles of a substance are distributed evenly throughout another substance
What is a homogeneous mixture?
A mixture of two or more substances bonded together
