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Quiz #2 Study Guide- Chapter 2

Quiz #2 Study Guide- Chapter 2 - Heaton Mitchell T Heaton...

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Heaton Mitchell T. Heaton Mrs. Brennan AP Biology 18 September 2009 Quiz #2 Study Guide: Chapter 2 __________ Any substance in the universe that has mass and occupies space is defined as what? __________________________________ All matter is composed of small particles called what? ____________________________________________________ What is the charge of a proton? ___________________________________________________ What is the charge of a neutron? _______________________________ The number of protons an atom has is known as its what? __________________________ What is defined as, “any substance that cannot be broken down to any other substance by ordinary chemical means”? _____________________________________ What is defined as, “the amount of a substance”? ____________________________ What is defined as, “the force gravity exerts on a substance”? ___________ ____________ Atomic mass is equal to the sum of the masses of what two things? __________________ Atoms that naturally occur on Earth can contain up to how many protons? _________________ Atoms that naturally occur on Earth can contain up to how many neutrons? ________________ The mass of atoms and subatomic particles is measured in units called what? __________________________________________________ What is the charge of an electron? __________________________________ Atoms with the same number of protons and electrons have no net charge and are called what?
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