Properties
These are the four states of matter.
What are solid, liquid, gas, and plasma.
Any characteristic that gives a substance the ability to undergo a change that results in a new substance.
What is a chemical property?
Anything that has mass and takes up space.
What is matter?
He believed there were only 4 elements and 4 properties of matter.
Who is Aristotle?
The ability to be drawn into wires.
What is ductility?
The ability to be hammered or bent at room temperature.
What is malleability?
Mixture where different components are identifiable and can be separated.
What is heterogeneous?
Atoms are made from a positively charged substance with negatively charged atoms scattered throughout.
What is the plum pudding model?
The temperature at which water turns into a gas.
What is boiling point?
Metal reacts with oxygen and water producing this substance.
What is rust?
A substance made of one kind of atom.
What is an element?
The mass of an atom is mostly the nucleus. Electrons move in orbits around the nucleus
What is the planetary model?
A characteristic that can be measured or observed without a change in the composition of the substance.
What is a physical property?
Turns from a solid to a gas.
What is sublimation?
Also known as a solution.
What is a homogeneous mixture?
He simplified the atomic model and discovered neutrons.
Who is Chadwick?
Mass divided by volume.
What is density?
A precipitate is formed. Bubbles of gas are formed. Heat or light is given off. A new colour is created. Irreversible.
What are indications of a chemical change?
The scattering of light by particles in a colloid or suspension.
What is the Tyndall Effect?
He stated that atoms have a small, dense, positively charged nucleus, surrounded by mostly empty space containing rapidly moving, negatively charged electrons.
Who is Rutherford?