Which two elements in the periodic table have the same number of electrons in their outer orbitals?

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery