Scientific Method
The variable that is being changed
What is the independent variable?
The density of water.
What is 1.0 g/mL?
This change happens changing the identify of the substance
What is a chemical change?
These are the three subatomic particles
What are protons neutrons & electrons?
The family that is located in group 8A.
What are the noble gases?
The factors that stay the same.
What are constants?
A substance that contains two or more elements chemically bonded together
What is a compound?
These properties can be observed using the 5 senses
What are physical properties?
This particle has a neutral charge
What are neutrons?
These are dull and brittle
What are non-metals?
The variable that is affected and measured
What is the dependent variable?
A mixture that does not look the same throughout and whose individual ingredients can be seen
What is a heterogeneous mixture?
Defined as a ratio of mass to volume
What is density?
The atomic number represents this
What is the number of protons?
Located on the staircase
What are metalloids?
The metric unit for mass
What is grams?
The two rules that define matter
What are has mass and takes up space?
Defined as how easily a substance dissolves in water
What is solubility?
An ion is formed when this happens
What is when an atom gains or loses electrons?
Each group has the same number of these
What are valence electrons?
This is the scientific theory that supports your claim.
What is the reasoning?
The two main classifications of matter
What are pure substances & mixtures?
A type of property that does not change with the amount of a substance present.
What is an intensive property?
An isotope is formed when this happens
What is when an atom gains or loses neutrons?
Each period has the same number of these
What are energy levels?