Understanding Matter
What is matter?
Into what two catergories do we classify matter by?
Particles in what kind of matter have low kinetic energy compared with forces between particles.
The building block of all matter.
What is atom?
Define mixture.
What is a combination of two or more substances physically combined in a changable ration?
What is matter made up of?
What are atoms and molecules?
Pure substances are made up of what two things?
What is elements and compounds?
What is gas?
What is a molecule?
What is a distinct group of two or more atoms covalently bonded together?
The ability of liquids and gasses to flow is called?
What is fluid?
It explains most of our observations about matter.
What is the particle model of matter?
True or false: Pure substances only contain one type of substance?
What is true?
What state of matter has a fixed volume, high density, and low compressibility due to their close spacing and low energy?
What is a heterogenous mixture?
The state of matter of a substance depends on what two properties?
What is the particles kinetic energy and the attraction between particles?
What is calculated by dividing the mass of an object by its volume?
What is density?
What is physical combinations of two or more substances in changable portions?
What is mixtures?
This state of matter forms at high temperature that consists of high energy ions and free electrons.
What is plasma?
When different substances are mixed so that they have a uniform appearance throughout.
What is a homogenous mixture?
How can the weight of an object change even when its mass remains constant?
What is the force of gravity acting upon the mass of an object?
What is weight?
What characteristics make a mixture not a pure substance?
What is a mixture involves two or more substances physically combined in a changable ratio?
The meaure of a fluid's resistance to flowing.
What is viscosity?
States that a given chemical compound always contains its component elements in fixed ratio and does not depend on its source and method of preparation
If particles in any substance are in constant motion, why can't solids flow?