Each element is made up of a unique __ with a set number of protons and electrons
What is an atom?
This is the measure of the force of gravity on an object or substance
What is weight?
resistance to flowing
What is viscosity?
a material's ability to burn in the presence of oxygen
What is flammability?
What is temperature?
A substance that cannot be broken down into simpler substances.
What is an element?
This is the amount of matter in a substance
What is mass?
ability to be hit with a hammer and not shatter
What is malleability?
This states that no matter is created or destroyed in a physical or chemical change
What is the Law of Conservation of Matter?
What is thermal energy?
This always contain two or more elements joined in a fixed ratio
What is a compound?
This is the amount of space that matter occupies
What is a volume?
the temperature at which a solid turns into a liquid
What is melting point?
when you mix two substances and they bubble, this is production of a ____
What is gas?
in a physical change the composition of the matter ____________
What is stays the same?
This is the term for when any atoms join together
What is a molecule?
This is the measure of mass of a material in a given volume
What is density?
process that separates materials based on the size of their particles
What is filtration?
the property that describes how readily a substance combines chemically with other substance
What is reactivity?
When energy is released in a change of matter it is a ___ change
What is exothermic?
This is a single kind of matter that has a specific composition.
What is a substance?
What is mass divided by density?
This is matter's ability to allow electrical or thermal energy through
What is conductivity?
What is a corrosion?
This is the force of attraction between two atoms