Sunday

April 20, 2014

April 20, 2014

Posted by **Haile** on Tuesday, October 4, 2011 at 9:58pm.

- Chemistry -
**DrBob222**, Tuesday, October 4, 2011 at 10:17pmPt is atomic number 78; therefore, the isotope with 118 neutrons has a mass number of 78+118 = 196. We would write that as, and the board doesn't do a really good job, is

_{78}^{196}Pt

- Chemistry -
**DrBob222**, Tuesday, October 4, 2011 at 10:18pmThe 78 should be moved over as a subscript on the left hand side. The way I did it is the best I can do on this site.

**Related Questions**

Chemistry - Write the correct symbol in standard form for the isotope of ...

7th grade math standard form scientific notation - In standard form: 5. 3.2 x 10...

Math - Perform the indicated operations and write in standard form. Sq root of -...

Spanish: Please Help - 23. Write the correct verb form in the blank: yo/...

Spanish: Please Help - 23. Write the correct verb form in the blank: yo/...

math - evaluate the expressions below and leave them in radical form. 1. sin(pie...

Alg.1 standard form - write an equation in standard form of the line containing...

Algebra - Choose 1 set of points from the choices below. Then, solve the problem...

MATH - How do you write an equation in standard form? Ex.How would you write ...

Math - Please help with the following questions: 1. write 12 million in ...