The de Broglie wavelength of an electron with a velocity of 6.00 106 m/s is ________ m. The mass of the electron is 9.11 10-28 g.
A) 8.25 109
B) 8.25 1012
C) 1.21 10-16
D) 1.21 10-13
E) 1.21 10-10
Question 2
When an atom loses an alpha particle,
A) its atomic number decreases by 2 units and its mass number decreases by 4 units
B) its atomic number increases by 1 unit but its mass number remains unchanged
C) its mass number decreases by 1 unit but its atomic number remains unchanged
D) neither its atomic number nor its mass number changes
Insects Under the Electron Microscope
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Schematic of a mitochondrion and Computer model generated from electron tomograms of a mitochondrion
Mass Wasting Triggers
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
Cocaine, C17H21NO4, in urine can be confirmed by mass spectroscopy at a concentration of 150 ...