Foundations of Chemistry
Anything that has mass & takes up space
What is matter?
The 2 main classifications of matter are substances & __________________
What are mixtures?
Something you can observe or measure about matter without changing what it is
What is a physical property?
The amount of matter in an object
What is mass?
State of matter where particles touch & are able to slide past eachother
What is liquid?
Small particles that are the building blocks of matter
What are atoms?
Matter whose composition is always the same
What is a substance?
Gas, liquid, & solid are the main categories of
What is states of matter?
A property measurement that depends on the amount of the sample
What is size-dependent?
What is a heterogeneous mixture?
The nucleus of an atom contains these
What are protons & neutrons?
Matter that can change in composition & the substances are evenly mixed throughout
The amount of space a substance takes up
What is volume?
The temperature at which a liquid changes to a gas
What is boiling point?
Another name for homogeneous mixture
What is solution?
Tiny parts of an atom moving around the nucleus with a negative charge
What are electrons?
A substance made of only 1 type of atom
What is an element?
The temperature at which a solid changes to a liquid
What is melting point?
The amount of mass per volume
What is density?
The type of atom is determined by how many ________________ are in the nucleus
What are protons?
Part(s) of an atom with a positive charge
What is a proton?
The 2 types of substances are elements & ________________
What are compounds?
The ability to conduct or carry electricity or thermal energy
What is conductivity?
Properties that do not depend on the amount of the sample size
What is size-independent?
Physical properties can be used to separate
What are mixtures?