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

Sound: The more _______ a sound has, the _________ its volume is.

in what way is a gene pool representative of a population

names is often given to the journey of africans who were brought to the americas as slaves?

in what way is a gene pool representative of a population

The skeletal system does all of the following EXCEPT (A) support. (B) transport. (C) protect. (D) digest. (E) store.

Henry can ride his bike 23 miles in 2 hours. The store is six miles away. About hoe long should it take Henry to ride his bike to the store?

does a solution have to involve a liquid? explain.

Can you give me the order of Biomes from coldest to hottest please?-tundra-taiga-temperate deciduous forest-temperate grassland-temperate woodland (chaparral)-d

The net force acting on a 50 kg crate is 0 N. What is the crate's acceleration

what planet starts with e?