Each family, or group of elements in a vertical column of the periodic table has elements with chemical characteristics that are .

indium, and thallium have three electrons i think

i believe it is a.) released into

explanation:

solute : a solute is a substance that is dissolved in another substance is known as a solvent. it is mixed with a special mixture know as homogeneous mixture.

solvent: a solvent is a substance that dissolved a solute, which results in a solution is known as solvent.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )