(see attachment) This element has 3 energy shells. The outer shell of this element was determined as illustrated here.

According to the Periodic Table of Elements, it must be:

Beryllium (Be)
Nitrogen (N)
Argon (Ar)
Oxygen (O)

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.