En cual de los siguientes grupos de elementos de la tabla periódica se encuentran los que tienen 8 electrones en su nivel de energía mas externo?

A-metales de transición

B-metales alcalinos

C-gases nobles

D-halógenos

suppose that 0.05 g of NaHCO3 reacts with 0.05 g of HCI and the reaction bubbles due to the carbon dioxide being produced. if the substance produced are 0.04 g water and 0.03g of salt how many grams if carbon dioxide gas were produced

Do you guys just sit and answer questions for fun or is it your job because that just sounds lame as shiit. I would like to know how far jupiter is away from planet 12sypO. what is your snap also.

g A chemistry student needs of thiophene for an experiment. She has available of a w/w solution of thiophene in benzene. Calculate the mass of solution the student should use. If there's not enough solution, press the "No solution" button.

Which of earths spheres is not included in the phosphorus cycle? A. biosphere B. atmosphere C. cryosphere D. lithosphere

The mole is 6.02 x 10^ (23) and it is a very large number. How many moles of atoms are in 1.35g of aluminum?

A fish company delivers 22 kg of salmon, 5.5 kg of crab and 3.48 kg of oysters to your seafood restaurant. What is the mass, in kilograms of the seafood? What is the total number of pounds?

If 38.7 grams of lithium chlorate decomposes, how many grams of oxygen gas can be produced?

Balance the following redox equation in acidic solution using the smallest integers possible and select the correct coefficient for the H + (aq) ion.

Toussaint L' ouveeture lead a revolt that eventually resulted in Independence for

If a solution contains 1 x 106 hb molecules, how many o2 binding sites are available? if the solution of hb is 50% saturated with o2, how many binding sites are occupied by o2?