They gained power in order to vote for the people. They lose some because they can be voted out if the people do not like their decisions.
congress
Usually three will be lost.
King John
Cuba gained Independence. Spain lost its New World Empire. The US was regarded as a World Power.
Property developers gained and local people lost out.
Only three electrons.
atoms are not lost or gained in a chemical reaction
lost
Electrons are both gained and lost. Electrons are both gained and lost.
Electrons are the ones gained or lost in a chemical reaction. Electrons are gained in oxidation and lost through the chemical reaction known as reduction.
2002 was a mid-term election. It was one of three times in the century in the party of the White House gained seats in Congress. The Republicans picked up seats in both houses. It also an election in which one incumbent senator from each party lost.
Generically an "ion", specifically gained an electron an "anion", lost and electron a "cation".