This is the emission spectrum of aluminum. Absorption spectra А Which is the absorption spectrum of aluminum? Its B
Edge (2021)

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Certain bacteria (such as aquaspirillum magnetotacticum) tend to swim toward the earth’s geographic north pole because they contain tiny particles, called magnetosomes, that are sensitive to a magnetic field. if a transmission line carrying 100 a is laid underwater, at what range of distances would the magnetic field from this line be great enough to interfere with the migration of these bacteria? (assume that a field less than 5% of the earth’s field would have little effect on the bacteria. take the earth’s field to be 5.0 * 10-5 t, and ignore the effects of the seawater.)

How many electrons does each element require in its valence shell to become stable?