Shows four pairs of charged particles with identical separations. a. Rank the pairs according to their electric potential energy (that is, the energy of the two-particle system),greatest (most positive) first. b. For each pair, if the separation between the particles is increased, Q +R does the potential energy of the pair increase or decrease?

atomic = no of protons.

mass number-atomic number = neutron number

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

hi,

what occurs during a solar eclipse?

there are small tides across earth.

the moon is between earth and the sun.

p.s. im not sure if the first answer is correct because during a solar ecliphse there are spring tides and i dont know if they are the same.