How are oxidation number element and electrons related?

A Nuclear reactor produces product 20kg of uranium-235. if the half life is about 70years, how long will it take to decay to 0.1kg

What part of this equation represents the products? sno2 2h2 sn 2h2o a. sno2 b. sno2 2h2 c. sn 2h2o d. 2h2o?

What is the mass of a light bulb

When did scientists find new evidence to support Alfred wegener hypothesis of continental drift

What is the final product of the electron transport chain

What is the molarity of a solution prepared by dissolving 1.56 g of gaseous hcl (molar mass = 36.5 g into enough water to make 26.8 ml of solution?

Elementary row operations on an augmented matrix never change the the solution set of the associated linear system. True or False?

Element A has an electronegativity of 2.20. Element B has an electronegativity of 3.44. The bond of molecule AB is then best described as a:

Which of the following solutions would you expect not to conduct electricity?

The week of Feb. 29, 2016, PBS aired a documentary on sending humans halfway to space in the late 1950's using balloons. They filled different balloons with different gases - some with H2 and some with He. Which balloon should go higher? Why?