substances
A _______________ is a substance that cannot be separated or broken down into simpler substances by chemical means
element
When substances are evenly distributed and the mixture is the same throughout they form a _______________________
chemical formula
When substances are evenly distributed and the mixture is the same throughout they form a _______________________
homogeneous mixture
A __________________ is different from the elements that it is composed of, but a ____________________ may have properties similar to the pure substances that form it.
Compound, Mixture
FeCl₃ . How many atoms are present for each of the elements listed?
Fe: 1, Cl: 3
When substances doesn't mix uniformly and aren't evenly distributed they form a _______________________
Heterogenous Mixture
True or False: Every compound is exactly the same as each individual element it contains
false
A __________ is the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
Molecule
A ____________ is a substance made of atoms of two or more different elements that are chemically combined
Compound
Water and sugar mixed together, dissolving and evenly distributing throughout, is an example of a ____________________ mixture
homogeneous
Carbon (C) is an example of a ________________?
element
Oil and water mixed together is an example of a ________________ mixture*
Heterogenous
Which of the following would be classified as pure substances?*
elements and compounds
When elements combine to make a specific compound, they always combine in the same proportions (Example: Water can only be formed as H20, you cannot add extra elements and it still be water)
true
A pure substance is matter that has fixed composition and definite properties. Is apple juice a pure substance?
no