Each of the statements below attempts to explain why some periodic property varies predictably among elements in the periodic table. Determine if each statement is true or false. Within a period, elements with higher atomic numbers have atoms of smaller radius because the atoms have higher effective nuclear charge. Within a family, elements with higher atomic numbers require less energy to remove an electron from the atom, because the valance electrons are in higher principal energy levels. Within a family, elements with lower atomic numbers have higher electronegativity because the valance electrons are in higher principal energy levels. Within a period, elements with higher atomic numbers have higher ionization energy because the valance electrons are in higher principal energy levels. Within a family, elements with lower atomic numbers have lower ionization energy because the atoms have lower effective nuclear charge. Within a family, elements with higher atomic numbers have atoms of larger radius because the atoms have lower effective nuclear charge.
Each of the statements below attempts to explain why some periodic property varies predictably among elements in the periodic table. Determine if each statement is true or false.
Within a period, elements with higher
Within a family, elements with higher atomic numbers require less energy to remove an electron from the atom, because the valance electrons are in higher principal energy levels.
Within a family, elements with lower atomic numbers have higher electronegativity because the valance electrons are in higher principal energy levels.
Within a period, elements with higher atomic numbers have higher ionization energy because the valance electrons are in higher principal energy levels.
Within a family, elements with lower atomic numbers have lower ionization energy because the atoms have lower effective nuclear charge.
Within a family, elements with higher atomic numbers have atoms of larger radius because the atoms have lower effective nuclear charge.
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