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Nuclear and Chemical Energy

Brian Palmer

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3.the elements on both sides of a reaction equation must be
5.chemical reactions that release energy (get warmer)
6.when energy changes from one type to another.
8.when we crushed the antacid tablet before putting it in the water we were increasing the _____ of the tablet (two words)
11.chemical reactions that absorb energy (get colder)
14.the negatively charged particle orbiting the nucleus of an atom
16.the positively charged particle in the nucleus of an atom
17.high energy particles or waves given off by an unstable nucleus are referred to as
18.chemical energy is stored in
21.a pure substance
22.the elements you start with in a reaction are called the
23.the fastest and most hazardous type of radiation are the _____ rays
1.the speed of a reaction is called the (two words)
2.the Law of _______ of Matter says matter cannot be created or destroyed
4.the central part of an atom where most of the mass is located
7.when energy moves from one thing to another without changing it's type
9.the neutral particle in the nucleus of an atom
10.when measuring the energy released or absorbed by a reaction we measure the
12.two or more elements chemically bonded together
13.the smallest part of a compound that has all the properties of that compound
15.the compounds produced by a chemical reaction are called the
19.the biggest and the slowest radioactive particle is the ______ particle
20.the smallest part of an element that has all the properites of that element

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