What is the ground state energy of the Li++ ion, which has atomic number 3?
A) -61 eV
B) -40.8 eV
C) -1.51 eV
D) -122 eV
E) Li++ does not have a ground state.
D
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Parallel-Plate Capacitor: Two large closely-spaced parallel metal plates are uniformly and oppositely charged and the electric field between them is 7.6 × 106 N/C.(a) What is the charge per unit area on each plate?(b) If the plates are now moved two times farther apart, what is the electric field between the plates?
What will be an ideal response?
If we use 67 W of power to heat 148 g of water, how long will it take to raise the temperature of the water from 15°C to 25°C? The specific heat of water is 4190 J/kg ? K
A) 93 s B) 5.3 s C) 22 s D) 114 h
Hydrogen is the most abundant element in Jupiter's atmosphere.
Answer the following statement true (T) or false (F)
The Permian extinction event was mostly likely caused by
A) widespread volcanic activity in Siberia B) an asteroid impact C) the onset of a snowball Earth phase D) the reversal of the Earth's magnetic field