A lithium ion has a charge of

+1 charge

Atomic number of lithium is 3 and it loses one electron in order to attain stability. Thus, lithium ion has +1 charge.

Explanation:

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

he would use the colour black