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

Which organism has the most available energy? sea urchin sea otter kelp elephant seal

Whats the area of a parallelogram with a hight of 4cm and a base of 16cm

Carly recorded the number of food items bought at different prices at a supermarket using the histogram below. Which measure of variability would be best to

What is the correct IRAC method rule for computer programs IP law? copyright infringement

A toy manufacturer produces spherical balls of surface area 64π sq. in. How close to the ideal radius should the radius of the ball be, if the allowed error tol

Ashton, Bryan and Charles were given the same number of funfair tickets to sell. Charles sold 92 tickets. Bryan had twice as many tickets left unsold as Ashton'

(b) Annette has some money in two denominations only. Fifty shillings notes and twenty shilling coins. She has three times as many fifty shilling notes as twen

A. What evidence have you discovered to explain how position can be used to describe the train? B. What evidence have you discovered to explain what motion is?

which of the following has a correct sentence structure a)the professor ask the students if they had completed their work by)Excitedly, the birthday party decor

Handwritten solution required