Jupiter's moon named ______________ is volcanically active
Fill in the blank(s) with correct word
Io
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Quasars are most common with red shifts
a. less than 0.1 b. less than 0.5 c. of about 2 d. greater than 6 e. greater than 8
The maximum number of electrons allowed in the n = 1 shell of sodium is
A. 2. B. 6. C. 8. D. 4. E. unlimited.
An electron is confined to a one-dimensional box of width 0.10 nm, about the size of an atom. What is its energy, in eV, in the ground state?
What will be an ideal response?
When a spinning ice skater pulls in his arms, he spins faster because ________
A) there exists an unbalanced reaction force B) there is less friction with the ice C) there is less friction with the air D) his angular momentum must be conserved, so reducing his radius must increase his speed of rotation