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chapter 17
vocab
Term | Definition |
---|---|
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 |