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

French was merged with Old English by the _____. Saxons Danes Normans

a group of 48 employees is taking 11 cars to the annual company picnic if each car will be occupied by 4 or 5 employees what i'd the number of cars occupied 5 e

Eli spends his summer vacation writing dramas and staging them in the backyard like a teenage Shakespeare. This reference to Shakespeare is which type of allusi

who is correct and why? amber & stacy will use the distributive property to simplify 3(x+2). ambers answer: 3(x+2) = 3x +2 . stacys answer: 3(x+2) = 3x +6

Communist governments surrendered one-party control in 1989 and called for free elections in all of the nations of Eastern Europe , EXCEPT

"Use the cartoon below to answer the following question:. Public Domain. What does this cartoon demonstrate about the diplomatic tactics of Bismarck in Germany

which of the following most accurately describes the extent of Alexander the Great's Empire

what are usually made of wax?

Do sentences in English always have a subject? What is the only exception to this rule?

"Find an integer, x, such that 5, 10, and x represent the lengths of the sides of an acute triangle. A. 4 B. 5 C. 6 D. 11"