24.Calculate the percentage relative abundance of B-10 and B-11, if its average atomic mass is 10.804 amu.
25. Correct the false statement.
a. Noble gases are diatomic.
b. Molar mass of CO2 is 42g.
c. Atomicity of Phosphorus is 8.

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

How many atoms are there in 5.70 mol of mg