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

This year you earned $75,500. Last year you earned $72,400. What was the rate of change on your earnings since last year

Find the variance of the data. 251, 224, 237, 255, 268 X = 247 Variance (0²) = [?]

HI PLEASE HELP ON QUESTION ASAP WITH A GOOD ANSWER! 21PTS! ANY SILLY ANSWERS WILL BE DELETED / REPORTED. IF YOUR ANSWER AND EXPLINATION IS CORRECT I WILL RATE Y

If our monthly income is $1,100 and your house payment is $860, what fraction of your monthly income must go to pay your house payment? of your monthly income g

Write an explicit formula for a The nth term of the sequence 35,44,53

Write an explicit formula for a The nth term of the sequence 35,44,53

A golfer needs your help to choose which club to use for their next stroke. Some things you need to know include:Consider that the ball will travel directly bet

before taxes, the food for a party costs 386.54. of that cost, 64.83 is taxed at a rate of 8.65%. what is the total cost of the party after taxes?

6. What are the values of x and w? he value of x is to wo 138° The value of wis m

According to the stem-and-leaf plot above, how many drivers travel below 80 miles hour per hour? A 2 B 14 C 6 D 5