Chemistry

Chemistry, 08.07.2019 16:30, heroicblad

explain how an atom's valence electrons configuration determines it place in the periodic table

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Chemistry, 01.07.2019 00:30, baeethtsadia

(5 points) 2. a neutral atom of phosphorus has 15 electrons. explain why the electron configuration below is not the correct configuration for a neutral atom of phosphorus in its ground state. 1s2 2s2 2p6 3s2 3p2 4s1 (5 points) 3. find rubidium, magnesium, and aluminum on the periodic table. fill in the table below based on the locations of these metals on the periodic table. be thorough in filling in the far right column! element symbol group number number of valence electrons general reactivity of the metal with an explanation for this reactivity based on the number of valence electrons rubidium magnesium aluminum

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Chemistry, 07.07.2019 08:00, laquitad8693

1. ionization energy is the energy needed to remove an electron from an atom. we can use the periodic table to predict ionization energy for an element. • state and explain the trend for ionization energy as you move from left to right across a period. • state and explain the trend for ionization energy as you move down a group. (5 points) 2. a neutral atom of phosphorus has 15 electrons. explain why the electron configuration below is not the correct configuration for a neutral atom of phosphorus in its ground state. 1s2 2s2 2p6 3s2 3p2 4s1 3. find rubidium, magnesium, and aluminum on the periodic table. fill in the table below based on the locations of these metals on the periodic table. be thorough in filling in the far right column! left to right column: element symbol group number number of valence electrons general reactivity of the metal with an explanation for this reactivity based on the number of valence electrons up to down column: rubidium magnesium aluminum

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Biology, 25.09.2019 12:50, esmeralda1209

Which of the following is true for valence electrons? a) valence electrons are always located in the innermost energy level b) each element in the periodic table has a different number of valence electrons. c) valence electrons may be lost or gained by an atom when bonding occurs with another atom d) when atoms collide with other atoms, they bond automatically

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