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chapter 17

vocab

TermDefinition
atom smallest piece of matter that still retains the property of the element
nucleus the positivly charged center of an atom
protons particles with an electric charge of 1+
neutrons neutral particles that do not have an electrical charge
electrons particles with an electric charge of -1
quark small particles that make up protons and neutrons
electron cloud area around nucleus of an atom where its electrons are most likely found
atomic number the number of protons in an atom
mass number sum of the number of protons and neutrons
isotopes atoms of the same element that have different numbers of neutrons
average atomic mass the weighted average mass of mixture of isotopes
periodic table a repeating calender of the elements
groups families
electron dot diagram symbol of element and dots to represent electrons in outter energy levels
periods horizontal rows of elements on the periodic table
atom smallest piece of matter that still retains the property of the element
nucleus the positivly charged center of an atom
protons particles with an electric charge of 1+
neutrons neutral particles that do not have an electrical charge
electrons particles with an electric charge of -1
quark small particles that make up protons and neutrons
electron cloud area around nucleus of an atom where its electrons are most likely found
atomic number the number of protons in an atom
mass number sum of the number of protons and neutrons
isotopes atoms of the same element that have different numbers of neutrons
average atomic mass the weighted average mass of mixture of isotopes
periodic table a repeating calender of the elements
groups families
electron dot diagram symbol of element and dots to represent electrons in outter energy levels
periods horizontal rows of elements on the periodic table
atom smallest piece of matter that still retains the property of the element
nucleus the positivly charged center of an atom
protons particles with an electric charge of 1+
neutrons neutral particles that do not have an electrical charge
electrons particles with an electric charge of -1
quark small particles that make up protons and neutrons
electron cloud area around nucleus of an atom where its electrons are most likely found
atomic number the number of protons in an atom
mass number sum of the number of protons and neutrons
isotopes atoms of the same element that have different numbers of neutrons
average atomic mass the weighted average mass of mixture of isotopes
periodic table a repeating calender of the elements
groups families
electron dot diagram symbol of element and dots to represent electrons in outter energy levels
periods horizontal rows of elements on the periodic table
atom smallest piece of matter that still retains the property of the element
nucleus the positivly charged center of an atom
protons particles with an electric charge of 1+
neutrons neutral particles that do not have an electrical charge
electrons particles with an electric charge of -1
quark small particles that make up protons and neutrons
electron cloud area around nucleus of an atom where its electrons are most likely found
atomic number the number of protons in an atom
mass number sum of the number of protons and neutrons
isotopes atoms of the same element that have different numbers of neutrons
average atomic mass the weighted average mass of mixture of isotopes
periodic table a repeating calender of the elements
groups families
electron dot diagram symbol of element and dots to represent electrons in outter energy levels
periods horizontal rows of elements on the periodic table
Created by: kerby47
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