Consider the following data for chromium: atomic mass 51.996gmol electronegativity 1.66 electron affinity 64.3kJmol ionization energy 652.9kJmol heat of fusion 20.5kJmol You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or release energy?   release   →1Crg+Cr+ge−   absorb     Can't be decided with the data given.   Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above?   yes     no   If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): /kJmol Does the following reaction absorb or release energy?   release

Consider the following data for nickel: g 58.693 mol atomic mass electronegativity 1.91 kJ 112. mol electron affinity kJ 737.1 mol ionization energy kJ 17.2 mol heat of fusion You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or release energy? release absorb (1) Ni(g) + e → Ni (g) Can't be decided with the data given. Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? yes no If you answered yes to the previous question, enter the I kJ/mol amount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? release absorb (2) Ni(g) → Ni (g) + e Can't be decided with the data given. yes Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? no If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): O kJ/mol

Use the following image to determine which statement is true: Calcium is the most reactive because it has the most energy levels (shells.)   Carbon is the most reactive because it can take or give 4 electrons.   Helium is the most reactive because it is the simplest and can therefor react easier.   Lithium is the most reactive because it has a valence of 1.

The energy given off when an electron is added to a neutral element is (Mark all that apply) exothermic the ionization energy the electron affinity described in the Gold Foil Experiment the lattice energy

Conside following data for lithium: atomic mass 6.941 electronegativity electron affinity 59.6 ionization energy heat of fusion 520.2 0.98 3.0 (1) Li(g) + e Li (g) + (2) Li (g) + e g mol - You may find additional useful data in the ALEKS Data tab. kJ mol Does the following reaction absorb or release energy? kJ mol Li (g) kJ mol Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): OOO release absorb Can't be decided with the data given. yes no kJ/mol release absorb Can't be decided with the data given. yes no ☐kJ/mol

A sodium vapor street lamp emits yellow light at wavelength λ = 589 nm. How much energy is released per mole of sodium atoms? O2.0 × 105 J O 5.4 × 108 J O 7.2 × 10-13 J O 1.9 × 10-4 J O 3.5 × 10-1⁹ J

Which element is most likely to form a covalent bond with chlorine? Hydrogen, magnesium, sodium, or potassium?

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