Wednesday
April 1, 2015

Homework Help: CHEMISTRY (PLEASE HELP)

Posted by Nikita on Wednesday, October 29, 2008 at 9:04pm.

1.What would happen to poisonous chlorine gas if

protons were added
neutrons were added

2. Boron is 80.20% boron -11 (atomic mass = 11.01 amu) and 19.80% of some isotope form of boron. What must the stomic mass of this second isotope be in order to account for the 10.81 amu average atomic mass of boron.?

3. For hundreds of years alchemist researched ways to turn various metals into gold. How would the structure of an atom 80(exponent 202)Hg (mercury) have to be changed for the atom to become an atom of 79 (exponent 197) Au (gold)


thank you for helping. I really dont know what to do.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - Naturally occurring boron is 80.20% boron-11 (of atomic mass 11.01 ...
chemistry - Naturally occuring boron is 80.20% boron-11 and 19.80% of some other...
Chemistry - Boron has only two naturally occurring isotopes. The mass of boron-...
Chemistry - The element boron has three naturally occuring isotopes. One has the...
chemistry - boron-10 has an atomic number of 5. how many neutrons are in this ...
Final Exam- Honors Physical Science - how can you determine the number of ...
Chemistry - When 0.500 moles of boron trichloride react with 1.20 moles hydrogen...
Chemistry - write isotpoic symbols of the form X-A (for example, C-13) for each ...
Maths-Help - A silicon ingot, which should contain 10^16 boron atoms/cm3, is to ...
Science - 1. Which statement about subatomic particles is NOT true? (1 point) ...

Members