Tuesday

July 29, 2014

July 29, 2014

Posted by **anna** on Wednesday, September 25, 2013 at 1:34pm.

- chemistry 1405 -
**DrBob222**, Wednesday, September 25, 2013 at 3:22pm_{88}Ra^{226}==>_{86}Rn^{222}+_{y}X^{z}

You want to determine y and z and X

Subscripts must add up and superscripts must add up.

Subscripts: On the left we have 88. On the right we have 86; therefore, y must be 2.

Superscripts: On the left we have 226 and on the right we have 222; therefore, z must be 4.

Which particle has a mass of 4 and an atomic number of 2? That must be He so that's X.

See how easy that is.

**Related Questions**

Chemistry - Describe nuclear fission and write a nuclear equation to describe ...

Chemistry - The most abundant isotope of uranium,238U , does not undergo fission...

nuclear physics - An atom of Radium-228 transmutes to radon-222. Write the ...

CHEMISTRY URGENT! - alpha emission by plutonium 242 write a nuclear equation

Chemistry - Write a nuclear equation for the following: Iodine 131 undergoes ...

socials - for other event in 1960 i draw nuclear weapons and write beside as ...

Chemistry - Write a balanced nuclear equation for the positron emission of each ...

Chemistry-PLEASE HELP!!! - Give a full balanced nuclear equation fro the ...

Chemistry - Argon-39 decays to become Potassium-39. write the nuclear equation.

chemistry - Write a balanced nuclear equation for the positron emission of each ...