An atom with atomic number 6 is in its ground state. How many electrons are in its outermost shell?
What will be an ideal response?
4
Physics & Space Science
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The helium flash increases the star's luminosity
Indicate whether the statement is true or false
Physics & Space Science
The fact that light can be polarized shows that light is
a. polar c. an electromagnetic wave b. monochromatic d. a transverse wave
Physics & Space Science
A proton moves around a circular path (radius = 2.0 mm) in a uniform 0.25-T magnetic field. What total distance does this proton travel during a 1.0-s time interval? (m = 1.67 × 10^-27 kg, q = 1.6 × 10^-19 C)
a. 82 km b. 59 km c. 71 km d. 48 km e. 7.5 km
Physics & Space Science
What is the wavelength of the emitted photon if an electron in the hydrogen atom makes a transition from n = 2 state to the ground state?
A) 121.5 nm B) 203.1 nm C) 243.0 nm D) 388.8 nm E) 411.1 nm
Physics & Space Science