If you want to determine the number of grams you'll need to make 0.1L of a 2M LICI solution you have to

The correct answer is "atomic weight".

Zinc contains about 30 protons 

Dry-steam power plants take advantage of natural underground sources of steam. the steam is piped directly to a power plant, where it is  used  to fuel turbines and  generate  electricity. dry steam is the oldest type of power plant to  generate  electricity using  geothermal energy. hope this !

When the electrons fall back down and leave the excited state, energy is re-emitted in the form of a photon. the wavelength (or equivalently, frequency) of the photon is determined by the difference in energy between the two states. these emitted photons form the element's spectrum.