Unit 1
What is the Scientific Process?
What are the three main types of matter?
Solids, liquids and gases
What is the Periodic Table?
all of the known chemical elements in an informative array
What is an exothermic reaction?
a chemical reaction in which energy is released to the surrounding environment
What is a mixture?
a combination of two or more substances that can be separated through physical means.
what is a study with set conditions that involves testing only one variable at a time?
controlled experiment
What is the fourth state of matter?
Plasma
Dmitri Mendeleev
What three basic things do Atoms consist of?
protons, neutrons, and electrons
What are Colloids?
heterogeneous mixtures that contain particles which are smaller than those found in a suspension
what is the variable that is purposely changed or manipulated?
Independent Variable
What is Matter?
anything that takes up space and has mass
What is a Chemical name for?
identifies the atoms of each element that make up a compound
What are radioactive elements made of?
Unstable atoms
What is a solubility?
The maximum amount of solute that can dissolve in a particular solvent for a given temperature and pressure