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Atomic Structure Ch2

Notes on the Atomic Structure in Chapter 2

Atomic Structure QuestionsAtomic Structure Answers
Matter anything that occupies space
mass amount of matter in a object
weight gravitational force acting on an object of given mass
kilogram international unit for mass
element simplest type of matter with unique chemical properties
96% of the weight of the body results from what elements? carbon, oxygen, hydrogen, and nitrogen
atom smallest partical of an element that has the chemicla characters of the element
Atoms are compoesed of what subatomic particles? Neutrons, protons, and electrons
neutron particle of a atom, in the nucleus, has no electric charge
proton particle of a atom, within the nucleus, has a positive charge
electrons particle of a atom, outside the nucleus, has a negative charge
nucleus of a atom holds the protons and neutrons
electron cloud where the electron is located outside the nucleus
atomic number number of electrons
artificially-made elements unstable and quickly convert back to more stable elements
Isotopes 2 or more forms of the same element that have the same # of protons but different # of neutrons
Name 3 hydrogen isotops hydrogen (no neutron), Deuterium (1 neutron), and Tritium (2 neutrons)
Created by: Torra
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