Why is human skin purple when UV light is shined on it?

Fill in the coefficients that will balance the following reaction: a0NaCl + a1FeO → a2Na2O + a3FeCl2

Write the valence molecular orbital configuration of Ne2+. The fill order for Ne is as follows: σ2s σ*2s σ2p π2p π2p π*2p π*2p σ*2p What is the bond order of Ne2 + according to molecular orbital theory?

What is monochlorination?

The small intestine shown below contains lymphatic vessels but no capillaries. Which nutrient will be absorbed by this small intestine? A-Simple carbohydrates B - Amino acids C-Fatty acids D-All of the above

If the coefficient to its place in front of the product Tetraiodine nonaoxide (i4o9), then how many atoms of each element must be accounted for on the other side of the equation?

Describe two ways that water moves through earthy atmosphere in the water cycle.

which of the following questions can use science as a method of inquiry? a. is cloning appropriate b. how can we protect crops from drought c. why is jazz a great type of music d. did dinosaurs exist

How many moles of CO will be produced, if 32.5grams of H2O are produced? C6H6S+6O2=>6CO+3H2O+SO3

Identify and briefly describe two ecosystems in your community that are beyond schoolyard

Is N2H2 a ionic compound?