Composition of Matter
Terms
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- Elements and compounds cannot be broken down by ___________ processes.
- physical
- Particles in a __________ are so small that they cannot be seen even with a microscope.
- solution
- The ratio of the different atom always is the . . .?
- same
- What are made from atoms of two or more elements that are combined?
- compounds
- A mixture in which different materials can be distinguished is called a ___________________ mixture.
- heterogeneous
- The particles that make up all matter is called . . .?
- atoms
- A __________ is a hetergeneous mixture that never settles.
- colloid
- A __________ is a hetergeneous mixture containing a liquid in which visible particles settle.
- suspension
- A ______________ is either a element or compound.
- substance
- Unlike compounds, mixtures do not always contain the same amounts of different ____________.
- substances
- A _________ is a material made up of two or more substances.
- mixture
- If all the atoms in a sample of matter are _______, that kind of matter is an element.
- alike
- The particles in a colloid are large enough to scatter _______.
- light
- An atom is the smallest particle of an . . .?
- element
- A ____________ is another name for a homogeneous mixture.
- solution
- How many recognized elements are there?
- 109
- Solutions remain constantly and ____________ mixed.
- uniformly
- A material in which two or more substances are uniformally spread out is a _________________ mixture.
- homogeneous