Montana is the 41st state.
An atom of potassium-41 becomes a potassium ion with a plus charge by losing one electron. Potassium-41 has 19 electrons in its neutral state, but when it loses one electron, it becomes a potassium ion (K+) with a plus charge and 18 electrons.
41 states
41
41
41 centimeters
Hawaii was the 50th state to become a state.
41
South Dakota.
41
Okalahoma become a state on November, 16, 1907.
washigton was made by the bridish