Determine o número atômico, a massa atômica, prótons, elétrons e nêutrons, dos seguintes átomos abaixo: A) ⁴Be⁹

B) ⁹F¹⁹

C) ¹⁵P³¹

D) ²⁶Fe⁵⁶

E) ¹⁵K³⁹

F) ¹³AI²⁷

G) ²⁰Ca⁴⁰

What is the oxidation state of each individual carbon atom in c2o42−?

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth

If there are 3.5 moles of koh, how many moles of naoh can be produced? question 1 options: a)3.0 moles naoh b)3.5 moles naoh c)1 moles naoh d)9 moles naoh