How many valence electrons does aluminum oxide have

Is a neutron located in the inside or outside of the nucleus?

Describe two reasons why an alpha particle is less penetrating than a beta or gamma particle.

Why do you think it is important for cattle ranchers to understand the basics of chemistry?

Imagine that you're able to fully dissolve a powdered substance in water. What can be said about this creation? A. The creation is a solution. B. The powdered substance is the solvent. c. Water is the solute. D. The creation is a suspension.

The equilibrium: 2 NO2 (g) / Longleftrightarrow⇔ N2O4 (g) has Kc = 4.7 at 100ºC. What is true about the rates of the forward (ratefor) and reverse (raterev) reactions initially and at equilibrium if an empty container is filled with just NO2?

What is a light-year? A. the distance light travels in one earth year B. the distance light travels from the sun to the earth C. the distance light travels in one orbit of the moon D. the time it takes light to travel across the universe

What's is a logical way that you could begin to investigate why your tire had low air pressure?

after balancing the redox equation FeCl3+Zn--->ZnCl2+Fe, what are the coefficients, in order from left to right?

Aluminum oxide, Al2O3, is used as a filler for paints and varnishes as well as in the manufacture of electrical insulators. Calculate the number of moles in 47.51 g of Al2O3.

What volume of 2.00 m must be added to 150.0 ml of 1.00 m chloroacetic acid to produce a buffer solution having a ph of 3.30?