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Study Guide Questions

1.     What is a nucleus made up of?
2.     Name two molecules made by living organisms.
3.     Electrons are negatively charged. (true/false)
4.     What are noble gases?
5.     A(n) _____________ is a particle that cannot be broken down onto another substance.
6.     There are how many different, naturally occurring types of atoms.
7.     Pencil lead, fireplace ashes and diamonds are all made up of ________.
8.     What is a covalent bond?
9.     The atomic number is the sum of the protons and neutrons in a given atom. (true/false)
10.     A(n) ___________ atom emits light when heated.
11.     What are molecules?
12.     Two of the same types of atoms combine to form ___________.
13.     What naturally occurring element has the highest number of protons with 92?
14.     Elements on the periodic table are arranged by atomic number. (true/false)
15.     What is an ozone molecule?
© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.