Chapter 1
What do you always wear during labs?
Safety Goggles
Properties determined using sense or measuring tool
What is a physical property
Positive charge
what are protons
A charged particle
what is an ion
O in HONC
What is 2 bonds
What is matter
Mass that takes up space
Properties only determined by attempting to change a substance
What is a chemical property
Particles under the surface of an atom
What are subatomic particles
Cation
Molecules with the same formula and different structure
Isomers
Amount of Matter an object contains
What is mass
Changes appearance but not itself
What is physical change
The number used to identify the element
What is the Atomic number
An Ion composed of more than 1 atom which together share a charge
what are Polyatomic ions
Formula: C2H6O
What is structural formula
Mass/Volume
What is Density
A substance changed into a new substance
Chemical Change
Mass of an atom
what is Atomic mass
The number of electrons in an outer shell of an atom that can help form chemical bonds with other atoms
What are valence electrons
A chemical symbol with dots around it representing valence electrons
What is Lewis Dot symbol
Amount of space substance/objects take-up
What is Volume
Matter can not be created nor destroyed only change form
What is the Law of Conservation of matter
Atoms of the same element with different numbers of neutrons?
Isotopes
Testing chemicals substances by burning compounds to see a flame color
When nonmental atoms combine, they get 8 valence electrons by sharing
What is the octet rule