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

Archaeologists have held that the Casarabe culture, which emerged in the southwestern Amazon basin in the first millennium CE, was characterized by a sparse, wi

lara and meera are collecting marbles. lara has double number of marbles meera has when meera's number of marbles is decreased by 8. lara had 20 marbles , (m) w

Which of the following was an EFFECT of Harriet head injury.

ZA = = Round your answer to the nearest hundredth. C 7 A ? 8 B

It was wronghzjzjhxhdjdjshhgzjsb

Calculate Lindere's total monthly income

What did the compromise of 1850 allow California to do select the two answers that are correct

Persuasive messages try to get us to do something. TRUE FALSE

The length of an arc of a circle is 12 cm. The corresponding sector area is 108 cm². Find: a) the radius of the circle b) the angle subtended at the centre of t

Can you guys pls me help me out I don’t know what to put on the lines pls answer fast