Anything that has mass and takes up space
Matter
A pure substance that consists of atoms with the same atomic number
Element
This phase of matters make up the stars
Plasma
The number of protons in an atom
Atomic number
These are columns on the periodic table
Groups
The amount of matter in an object is it's _______
Mass
A pure substance consisting of atoms of 2 or more different elements chemically combined
Compound
This phase of matter has no definite shape and no definite volume
Gas
A neutral particle found in an atom
neutron
The group 1 metals
Alkali metals
How much space an object takes up is it's _______
Volume
A mixture that is uniform throughout the entire mixture
Homogeneous mixture
This is a change of matter that does not change the chemical makeup of the substance
Physical Change
The least massive particle that makes up an atom
Electron
Father of the periodic table
Dmitri Mendeleev
Mass divided by volume equals
density
Black coffee is an example of what type mixture
Homogenous mixture
A phase change from solid to gas
Sublimation
An atom's protons plus its neutrons
Mass number
These elements are to the right of the stair-step on the periodic table
Non-metals
What are the SI units for measuring mass?
Kilograms
A mixture that is not uniform throughout is a ________ mixture
Heterogenous
The temperature at which a solid turns to a liquid
Melting point
Atoms with the same number of protons but different number of neutrons
Isotopes
Helium, Argon and Neon are examples of ______ ______
Noble gases