Atoms
The center of the atom
What is the nucleus
The definition of a compound
What is two or more substances chemically combined that must be separated chemcially.
Definition of mixture
What is two or more substances physically combined that can be separated by physical or chemcial means
Decide if it is a element or not: Aluminum
What is element
Elements that can be malleable
metals
The basic unit of matter
What is atoms
Decide if it is a compound or not: Two atoms of fluorine bonded together
What is not a compound
A mixture that is the same throughout
What is homogenous
Where are all the known elements found?
What is the periodic table
The group that is poor conductor
What is non-metal
This only contains one type of atom
What is element
Decide if it is a compound or not: An atom of nitrogen bonded to three atoms of hydrogen
What is compound
Decide if it is a mixture or not: two compounds of H2O and one compound of NaCl
What is mixture
Decide if it is a element or not: Millions of atoms of mercury
What is an element
The name for the vertical columns on the periodic table
What is Families
True of false: Atoms can't be broken down
What is true
True or False When you combine elements into a new substance they keep all their same properties
What is false
Decide if it is a mixture or not: Water
What is not a mixture
Definition of an element
What is the simpliest form of a substance that cannot be broken down
The elements in a stair-step pattern on the periodic table
true or false: Atoms are always in motion
What is true
Decide if it is a compound or not: Oxygen
What is not a compound
What type of mixture is salad dressing
What is heterogenous
What does the atomic number of an element tell you?
What is how many protons or electrons are in the element
The family that is the most stable and has 8 valence electrons
What is Noble Gases