ddesravines ddesravines

03-02-2017
Chemistry

contestada

When a radioactive atom emits an alpha particle, the original atom's atomic number decreases by four.

Respuesta :

yashddsy26 yashddsy26

03-02-2017

Ya it is true, alpha particle is actually helium atom with no electrons !
He2+ and it has mass of 4 u ....So that is correct !

Answer Link

Otras preguntas

Protective equipment is important because __________. a. it ensures that injuries will not occur b. it is designed to look sleek and fitted c. it keeps activi

como ha sido la evolucion de la brecha de genero en paises como españa o irlanda

during the late 19th century, businesses tried to maximize profits by

From what country did the United States purchase Alaska?

War Communism in Russia involved all of the following, except a. the takeover of banks, factories, mines and railroads. c. forcing peasants to join the military

why do scientists call a substitution a point mutation

Smiling, shaking someone's hand, and saying "hello" are all ways of: being friendly listening being disrespectful sharing interests with someone

what is the study of the geographic distribution of organisms

Where Did Roman Audiences Enjoy Public Entertainment ?

The winner of a raffle ticket will receive.75 of the 350.40 raised from raffle ticket sales. How much money will the winner get?