reaction rate		when energy moves from one thing to another without changing it's type
products		a pure substance
balanced		the positively charged particle in the nucleus of an atom
nucleus		the negatively charged particle orbiting the nucleus of an atom
reactants		chemical reactions that release energy (get warmer)
compound		the fastest and most hazardous type of radiation are the _____ rays
transformation		the central part of an atom where most of the mass is located
atom		the compounds produced by a chemical reaction are called the
alpha		the Law of _______ of Matter says matter cannot be created or destroyed
conservation		the biggest and the slowest radioactive particle is the ______ particle
bonds		the smallest part of a compound that has all the properties of that compound
transfer		when we crushed the antacid tablet before putting it in the water we were increasing the _____ of the tablet (two words)
radiation		chemical energy is stored in
surface area		the elements on both sides of a reaction equation must be
neutron		high energy particles or waves given off by an unstable nucleus are referred to as
electron		when measuring the energy released or absorbed by a reaction we measure the
molecule		the elements you start with in a reaction are called the
endothermic		when energy changes from one type to another.
element		chemical reactions that absorb energy (get colder)
proton		the speed of a reaction is called the (two words)
gamma		the neutral particle in the nucleus of an atom
exothermic		two or more elements chemically bonded together
temperature		the smallest part of an element that has all the properites of that element